Costume jewelry hallmarks

From the different types of jewelry marks, numbers, letters, and logos. The following marks often occur on the jewelry. Here’s how they look and what they mean: Hallmarks – these are stamps imprinted to identify the origin of the jewelry, the date, or the metal. For instance, all silver and gold items from Britain have an imprinted hallmark.

Here you will learn about the history, jewelry marks, materials used, most collectible pieces, and tips on how to buy. Albert Weiss produced bold, vibrant, high-quality costume jewelry from 1942 to 1971. Compared to other companies of that time, Albert’s business was small and was open only for a brief period of time.Aug 24, 2019 · In 1930s Lisner began to produce jewelry in Providence, RI. Other companies actually manufactured the jewelry for Lisner, including Whiting & Davis. Lisner bought the Richelieu Pearl Co. in mid-1970’s and company was re-named Lisner-Richelieu Corp. A 1960 ad indicates a possible earlier connection. The name “Florenza” came from the name of Dan’s wife Florence. Florenza manufactured jewelry for Capri, House of Benedict, Estee Lauder, Albert Weiss, Stanley-Kazlo & Kramer of N.Y. Florenza made vanity items signed Florenza, and unsigned for TACOA–The Accessories Corporation of Atlanta–late 1960’s into 1970’s.Costume Jewelry Hallmarks: B Posted by Laurie Zeiden on Aug 25, 2018 My blog series, Costume Jewelry Hallmarks , is an ongoing project to catalog costume jewelry hallmarks.To remove tarnish from costume jewelry, start by picking off as much as you can using a toothpick or toothbrush, then try removing anything left using metal polish or vinegar. Scra... JEWELRY HALLMARKS - A - AARREE & KROGH (Denmark) AARIKKA (Finland) ACCESSOCRAFT ACME ADLER, ALLAN ADRIANI GIORELLI AGAM, YAAKOV (Israel) AGUILAR, HECTOR AIGNER, ETIENNE AITKENS (Canada) ALICE ALICIA (Mexico) ALVA (Museum Reproductions) AMERICAN CHAIN COMPANY AMERICAN FASHION JEWELSAMERICAN JEWELRY CHAIN COMPANY AMFARCO & HAMLET AMICO AMITA ...

JEWELRY HALLMARKS - NUMBERS -. 1928. To access other letters,just click the one you want: To visit my website, World of Eccentricity & Charm, click here. Please note, comments must be approved before they are published. My blog series, Costume Jewelry Hallmarks, is an ongoing project to catalog costume jewelry hallmarks.Krementz. Newark, New Jersey. 1866–1997. George Krementz and his cousin, Julius Lebcheucher, founded Krementz & Co. The company’s main product was men’s collar buttons, but women’s jewelry was also made. By the early 1900s, costume jewelry was the company’s main product. In 1997, it was sold to the Colibri Group.Costume Jewelry Hallmarks: T Posted by Laurie Zeiden on Aug 30, 2018 My blog series, C ostume Jewelry Hallmarks , is an ongoing project to catalog costume jewelry hallmarks.Country: USA. City: New York NY. Symbol: cartouche, octagon, rectangle, square. Shape: cartouche, octagon, rectangle, square. Era: c.1896, c.1904, c.1915, c.1922, c ...Absolutely! Like the secret code in a spy novel, or the key to a treasure chest, hallmarks reveal the hidden story behind each precious piece of jewelry. They whisper …A list of costume jewelry marks and designers shows you how to find valuable jewelry at thrift stores-Schreiner, Haskell, Kramer, Ciner, etc.In 1930s Lisner began to produce jewelry in Providence, RI. Other companies actually manufactured the jewelry for Lisner, including Whiting & Davis. Lisner bought the Richelieu Pearl Co. in mid-1970’s and company was re-named Lisner-Richelieu Corp. A 1960 ad indicates a possible earlier connection.Hallmarks are tiny symbols or words stamped on jewelry, accessories, objets de vertu, flatware, and other small precious metal items. These minuscule visuals can offer assurances as to an item’s metal content, origin, and/or date of creation. Select from the articles below to expand your knowledge with regard to these miniature clues to the ...

Does Zales buy used jewelry? Does Zales buy jewelry at all? We have information on the jewelry store's trade-in policy and more. Zales stores won’t purchase jewelry of any kind, bu...JEWELRY HALLMARKS - A - AARREE & KROGH (Denmark) AARIKKA (Finland) ACCESSOCRAFT ACME ADLER, ALLAN ADRIANI GIORELLI AGAM, YAAKOV (Israel) AGUILAR, HECTOR AIGNER, ETIENNE AITKENS (Canada) ALICE ALICIA (Mexico) ALVA (Museum Reproductions) AMERICAN CHAIN COMPANY AMERICAN FASHION …Aug 24, 2019 · Mark: Gemelli — Jewelry marked Craft also appeared on cards marked Gemelli. Mark: Jewelcraft mark first used by Coro in 1920, now owned by Gem-Craft; last renewed in 2006 (RCJ) Mark: Attachables — 1980. Mark: The Adjustable — 1980. Mark: Anywear — 1981. Founded by Gene and Alfeo Verri soon after the end of WWII. Shop Georgian Jewelry; Shop Victorian Jewelry; Shop Art Nouveau Jewelry; Shop Edwardian Jewelry; Shop Art Deco Jewelry; Shop Retro Jewelry; Shop Mid-Century Jewelry; ... (this information is not usually contained within the mark but it’s something you may know or intuit based on other marks) Keep adding information to narrow down your …1990s to present. Begun in the 1990s, Bittar’s jewelry is regularly featured in premier. publications such as W, Harper’s Bazaar, Elle, The New York Times and. Italian Vogue; won the Accessories. Council’s “Rising Star” award in 2004; became a member of the Council of. Fashion Designers of America in 2005; collaborated for the Michael ...

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The first costume jewelry designer on this list of costume jewelry marks and designers is Ciner. Emmanuel Ciner was first a fine jeweler and then moved into the costume jewelry arena. His sons, Charles and Irwin helped their father establish the costume jewelry business in the late 1920s-1930s as a result, in part, of the Great Depression.‘ Yves Saint Laurent ’s bold costume jewellery is remarkable for the use of materials such as wood, feathers, cork, leather, shells and glass, underlining the …Introduction to Costume Jewelry Marks. Costume jewelry, a blend of art and fashion, often carries unique markings that tell a story of its origin, design, and authenticity. …Marks & Hallmarks that are initials can also be quickly located using our proprietary INITIALS SEARCH. Each company, artisan or studio is also featured with specific information on its history or products and years of operation. Includes marks for costume jewelry or fashion accessories and Native-American or Southwest jewelry.Costume Jewelry Hallmarks: W Posted by Laurie Zeiden on Aug 30, 2018 My blog series, Costume Jewelry Hallmarks , is an ongoing project to catalog costume jewelry hallmarks.

JEWELRY HALLMARKS - L -. To visit my website, World of Eccentricity & Charm, click here. To read additional blog posts, click here. My blog series, Costume Jewelry Hallmarks, is an ongoing project to catalog costume jewelry hallmarks. Every effort is made to be accurate, but mistakes happen.Costume Jewelry Hallmarks: Unknown Posted by Laurie Zeiden on Sep 06, 2018 My blog series, Costume Jewelry Hallmarks , is an ongoing project to catalog costume jewelry hallmarks.The marks for Kenneth Jay Lane like those that may be found on other pieces of costume jewelry are important for identifying the early pieces and helpful in sorting out the fakes and forgeries, of which there are many. Many collectors of Kenneth Jay Lane costume jewelry mix and match Lane pieces with fine jewelry pieces since the Kenneth Jay ...If you have a collection of costume jewelry that you no longer wear or simply want to sell, finding the right buyer is key. While online platforms provide convenience, local buyers...The business was commenced by E.A. Bliss and James E. Carpenter, in September, 1878 at Attleborough Falls. The present location (No. Attleboros, MA) was occupied January 1, 1881. Incorporated July, 1882. The company employs seventy-five hands, with a payroll of forty thousand dollars.”.The Uncas Manufacturing Company uses a U with an arrow through it as its hallmark, or jeweler’s mark, on its sterling and costume jewelry. The company changed its original jeweler’...Costume jewelry: Costume jewelry is any jewelry made with non-precious materials like glass, plastic, or base metals. Vintage costume jewelry from the 20th century is particularly popular among …Antique jewelry has six types of hallmarks – Makers & Trademarks for the brand, Purity & Assay marks for the materials, and Date Letter & Duty marks for the age. Pick vintage jewelry with a ‘Crown,’ ‘958,’ or ‘950’ mark for the top-most metal purity. Most vintage jewelry brands use a ‘Maker’s name or Initials’ hallmark.

Buying antique or vintage jewelry means first figuring out what it is, where and when it was made, and by whom. That's why the first thing an experienced buyer will do is hold a piece up to a loupe and examine it for hallmarks. If jewelry has hallmarks and they appear authentic, identifying its value.

Aug 24, 2019 · SPHINX — London, England — Established in 1950 — late 1990s. Founded by S. Root, with a factory in Chiswick, London which employed 200-300 people. They made jewelry for Kenneth Jay Lane, Butler & Wilson, Neiman Marcus, Bloomingdales and others. Some pieces made for Butler & Wilson have both B&W and Sphinx marks. Jewelry Maker’s Marks: A Brief History. To be considered an antique, a piece of jewelry must be 100 years or older, while vintage jewelry must be more than 20 years old to be classified as such. “Retro” jewelry refers to pieces made during the 1940s and ‘50s and are characterized by the use of large and colorful gemstones.Jewelry marks & hallmarks to identify makers, jewelers & silversmiths, studios and artisans from around the world all periods. Easy visual identification guides and searchable databases to research and date …Costume jewelry has been a popular fashion accessory for decades, allowing individuals to express their personal style without breaking the bank. While many people are familiar wit...Costume Jewelry Hallmarks: A to Z. Posted by Laurie Zeiden on Sep 06, 2018. My blog series, Costume Jewelry Hallmarks, is an ongoing project to catalog costume jewelry hallmarks. Every effort is made to be accurate, but mistakes happen.TAMMEY JEWELS – Indianapolis, Indiana – 1961 until at least 1986. Mark: Photo courtesy ID: justabunchawildflowers. Founded by Jean Barnes, who sold the company in 1986. Some jewelry for Tammey’s Jewels was made by Hollycraft. TANCER & TWO –est. 1971. Mark: Tancer II. Mark: T & II.Pamela Y. Wiggins ' passion for costume jewelry includes studying pieces in her own collection and items she offers through her business--Chic Antiques by Pamela Wiggins--as well as exploring how popular culture and historical events shaped adornment worn decades ago. She is the co-founder of Costume Jewelry Collectors International, …

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Zales is known for its variety, quality and affordability, which have remained its hallmarks since its first store opened in Wichita Falls, Texas, in 1924. The jewelry store has si...Eisenberg Originals Fur or Pin Clip. This pot metal piece fastens to a garment with a double-pronged clip known as a fur clip to collectors but found in patents …Welcome to Costume Jewelry Collectors Int’l! Thanks to our generous donors and sponsors, we’ve created a spot where you can explore jewelry-related features, learn about yearly CJCI events, and access resources to help you connect with other collectors. Come inside and explore the ever-growing world of CJCI!Are you looking to sell your costume jewelry and wondering where you can find reliable buyers near you? Costume jewelry has become increasingly popular in recent years, with many p...Costume Jewelry Hallmarks: C Posted by Laurie Zeiden on Aug 26, 2018 My blog series, Costume Jewelry Hallmarks , is an ongoing project to catalog costume jewelry hallmarks.Introduction to Costume Jewelry Marks. Costume jewelry, a blend of art and fashion, often carries unique markings that tell a story of its origin, design, and authenticity. …Here are the best-selling Halloween costumes for dogs on Amazon, all for $20 or less. The options include dinosaurs and Wonder Woman. By clicking "TRY IT", I agree to receive newsl...Napier jewelry was a high-end, American fashion jewelry company. Initially, when it was established in the late 1800s, it produced watch chains for men’s pocket watches. Then, the company based in Attleboro, Massachusetts was known E.A Bliss Co. By the 1920s, Napier was producing costume jewelry for women. The name changed to …A Collector's Guide to Costume Jewelry. Key Styles and How to Recognize Them. Tracy Tolkien and Henrietta Wilkinson, ISBN 1-55209-156-2, First Published in Canada in 1997, Published by Firefly Books, Ltd. An identification guide on costume jewelry designers and companies featured at Antiquing On Line.Made jewelry marked with “Tara” hang-tags and “Tara” mark for Fred Lubwold, 5th Avenue, NY (See Tara) “Juliana Original” was a name DeLizza & Elster (D&E) sold under beginning in 1967 through 1968. A paper hang tag was used on the jewelry. Juliana was named after Frank DeLizza’s mother. However, this style of jewelry was …Aug 24, 2019 · costume jewelry marks – a* Information and images contained in Researching Costume Jewelry (RCJ) were created by Illusion Jewels and are currently maintained and updated by Costume Jewelry Collectors Int’l (CJCI). ….

Ian St. Gielar. Mark: IAN St. GIELAR – early signature, about 1989. Mark: Signature on jewelry from Ian Gielar Studio before his death was “Ian St. Gielar” — see above. Dates: He designed jewelry from at least 1989 until his death in 2007. Founded: Ian St. Gielar. Location: Hollywood, Florida.Sometimes the signature is on the back of an individual element and is easily overlooked. Pennino jewelry started in a small goldsmith shop in NYC in 1908 by Pasquale Pennino. The company was formally founded by Oreste (Otto), Frank & Jack Pennino in 1926. Items marked “ORESTO” are not Pennino.Feb 22, 2023 · Here you will learn about the history, jewelry marks, materials used, most collectible pieces, and tips on how to buy. There was a time when Lisner jewelry was the quintessential “junk jewelry,” selling for $1 to $5 back in the day. but the pieces were cleverly designed and well made. For the past several years, it has greatly increased in ... The marks changed again moving into the 1990s to read Chr. Dior or Dior without a date. Regardless of the mark, most jewelry associated with this fashion house is of high quality and collection worthy. You May Also Like: Chanel Costume Jewelry. Hot to Identify Juliana Jewelry. How to Identify Unmarked Costume Jewelry10K; 10k; 10 Karat; 41.7%; 417. It’s possible to have in-between karatages like 22K or 16K gold. You can calculate the percentage of these by dividing the karats by 24 — for 22K gold, 22 divided by 24 is 0.916, or 91.6 percent, and the hallmark may say 916. For reference, 24K gold is usually too soft for jewelry use. Welcome to Costume Jewelry Collectors Int’l! Thanks to our generous donors and sponsors, we’ve created a spot where you can explore jewelry-related features, learn about yearly CJCI events, and access resources to help you connect with other collectors. Come inside and explore the ever-growing world of CJCI! If you have a collection of costume jewelry that you no longer wear or simply want to sell, finding the right buyer is key. While online platforms provide convenience, local buyers...Sometimes the signature is on the back of an individual element and is easily overlooked. Pennino jewelry started in a small goldsmith shop in NYC in 1908 by Pasquale Pennino. The company was formally founded by Oreste (Otto), Frank & Jack Pennino in 1926. Items marked “ORESTO” are not Pennino.Nov 3, 2023 · Costume jewelry, on the other hand, is usually fashioned from base metals, like brass, aluminum or copper. It can also be plated with precious metal, like gold-plated jewelry. Before the end of the 1920s, costume jewelry was not usually designed in the likeness of fine jewelry, according to jewelry historian Harrice Simons Miller JEWELER DIRECTORY. Jewelry designers and manufacturers have their own unique maker's marks which are used to identify designer jewelry pieces. This massive database features an alphabetized list of famous (and some not-so-famous) jewelers, manufacturers, silversmiths, and watchmakers. Scroll down and click on a letter to navigate to that section. Costume jewelry hallmarks, These are gorgeous and unique costume jewelry pieces by some of the most coveted brands and designers. Valuable Costume Jewelry Piece. Approximate Sold Price. Trifari "Fruit Salad" fan-shaped fur clip. $5,000. Chanel by Maison Gripoix brass cuff bracelet. $5,000. Hattie Carnegie lion bracelet and earrings. $2,400., Aug 24, 2019 · TAMMEY JEWELS – Indianapolis, Indiana – 1961 until at least 1986. Mark: Photo courtesy ID: justabunchawildflowers. Founded by Jean Barnes, who sold the company in 1986. Some jewelry for Tammey’s Jewels was made by Hollycraft. TANCER & TWO –est. 1971. Mark: Tancer II. Mark: T & II. , In 1930s Lisner began to produce jewelry in Providence, RI. Other companies actually manufactured the jewelry for Lisner, including Whiting & Davis. Lisner bought the Richelieu Pearl Co. in mid-1970’s and company was re-named Lisner-Richelieu Corp. A 1960 ad indicates a possible earlier connection., The name “Florenza” came from the name of Dan’s wife Florence. Florenza manufactured jewelry for Capri, House of Benedict, Estee Lauder, Albert Weiss, Stanley-Kazlo & Kramer of N.Y. Florenza made vanity items signed Florenza, and unsigned for TACOA–The Accessories Corporation of Atlanta–late 1960’s into 1970’s., Costume Jewelry Hallmarks: D Posted by Laurie Zeiden on Aug 26, 2018 My blog series, Costume Jewelry Hallmarks , is an ongoing project to catalog costume jewelry hallmarks., In 1930s Lisner began to produce jewelry in Providence, RI. Other companies actually manufactured the jewelry for Lisner, including Whiting & Davis. Lisner bought the Richelieu Pearl Co. in mid-1970’s and company was re-named Lisner-Richelieu Corp. A 1960 ad indicates a possible earlier connection., Costume Jewelry Hallmarks: T. Posted by Laurie Zeiden on Aug 30, 2018. My blog series, Costume Jewelry Hallmarks, is an ongoing project to catalog costume jewelry …, Jewelry History – Jewelry Research – Jewelry Marks – Jewelry Signatures – Jewelry Articles – Jewelry Galleries. COSTUME JEWELRY MARKS – …, Nov 18, 2019 · Chanel has used many different marks since the 1950s including both round and oval cartouche signature plates affixed to the jewelry and hang tags. They also stamped CHANEL directly into pieces from time to time as shown below. The earliest pieces of Chanel jewelry were unmarked. Pieces from the 1930s, '40s and early '50s rarely come up for ... , May 13, 2020 · Eisenberg Originals Fur or Pin Clip. This pot metal piece fastens to a garment with a double-pronged clip known as a fur clip to collectors but found in patents noted as a pin clip. Value: $146.25 (Vintage Costume Jewelry Show - Austin, TX 10/06) -Pamela Wiggins. , Jewelry Identification Marks: Hallmarks & Maker’s Marks. Distinguished jewelry requires the proper distinguishing marks. It’s this …, Here you will learn about the history, jewelry marks, materials used, most collectible pieces, and tips on how to buy. There was a time when Lisner jewelry was the quintessential “junk jewelry,” selling for $1 to $5 back in the day. but the pieces were cleverly designed and well made. For the past several years, it has greatly increased in ..., Jewelry. All jewelry can be divided into two categories: Fine and Fashion (also called Costume). Fine jewelry is made of precious metals such as gold, silver, or platinum, while fashion jewelry refers to pieces made from base materials such as copper, brass, pewter, bronze, wood, and even plastic. Fine jewelry may incorporate specimens …, Jewelry History – Jewelry Research – Jewelry Marks – Jewelry Signatures – Jewelry Articles – Jewelry Galleries. COSTUME JEWELRY MARKS – B*. …, Each entry includes a brief overview of the jewelry maker, their history, and the different hallmarks used. We also provide images of the marks so you can quickly and easily identify the maker of a piece you own or are …, 10K, 14k, 18k, and 24k Stamps. These stamps denote the purity of gold. 10k symbolizes that a piece of gold consists of 41.6% pure gold, or 10 out of 24 parts. Jewelers most often combine gold with silver, zinc, copper, or nickel. 14k stamps show that a piece of jewelry consists of 14 out of 24 parts pure gold, or 58.3%., Jewelry Identification. Portuguese Hallmark with Deer and .800 Gold Fineness. This Mark has been Stamped at the Porto Assay Office Since 1985. Solving the intriguing riddle posed by the marks stamped onto a piece of jewelry involves the use of a variety of skills and a wealth of knowledge. At its most basic, we can usually easily identify the ..., Jewelry History – Jewelry Research – Jewelry Marks – Jewelry Signatures – Jewelry Articles – Jewelry Galleries. COSTUME JEWELRY MARKS – …, She is the author of Warman’s Costume Jewelry and the co-founder of Costume Jewelry Collectors International, an organization dedicated to hosting events and providing educational resources for collectors. Visit her online at www.chicantiques.com and www.cjci.co . With creative partner Frank Hess, Miriam Haskell designed affordable …, 10K, 14k, 18k, and 24k Stamps. These stamps denote the purity of gold. 10k symbolizes that a piece of gold consists of 41.6% pure gold, or 10 out of 24 parts. Jewelers most often combine gold with silver, zinc, copper, or nickel. 14k stamps show that a piece of jewelry consists of 14 out of 24 parts pure gold, or 58.3%., There are ways that can help us find the true worth of our costume jewelry. Hallmarks: One of the first things to do when you buy or get new jewelry is to look for hallmarks. Jewelry having a hallmark is usually a good sign as hallmark tells us the metal content of a piece. Common gold hallmarks include 18K, 14K, 10K, 750, 585, 375., Researching Costume Jewelry History, Jewelry Marks, Fashion Jewelry, Vintage Jewelry Research, Jewelry Signatures. Researching Costume Jewelry (RCJ) is a collaboration of hundreds of costume jewelry collectors and dealers who have shared – and continue to share – their knowledge, photos, written articles, and jewelry catalogs along with ..., COPPOLA E TOPPO — c.1949 — 1986. Mark: Coppola e Toppo Photo courtesy Luda Tovey. Notes: Founded by Bruno Coppola and Lyda Coppola Toppo in the late-1940s in Milan, Italy. The firm was swallowed by another Italian business in 1972 (after Lyda Toppo’s death). By 1986 jewelry with this mark was no longer being made., A to z posted by laurie zeiden on sep 06, 2018 my blog series, costume jewelry hallmarks , is an ongoing project to catalog costume jewelry hallmarks. Coro jewelry, cohn & rosenberger, was founded in new york by emanuel cohn and carl rosenberger in 1901/1902 and incorporated in 1913., JOAN RIVERS CLASSIC COLLECTION. Chunky Black Necklace with Imitation Jet. Long Asymmetrical Floral Necklace. Double Strand of Pearls with Insect Clasp. Multi-Strand, Multi-Stone Torsade. Classic and Versatile Bracelet. Insect Pin with Imitation Pearls. Two-Color Flower Pin and Earrings Set. Insect Pin with Changeable Colored Beads., Began making silver jewelry in 1878. Ceased production of silver articles in 1914 and firm was sold in 1919. UNICORN PRODUCTS CO. INC. — NY, NY — since 1946. Mark: Impression of a unicorn standing on hind legs & the name “Unicorn” inside a circle., A Collector's Guide to Costume Jewelry. Key Styles and How to Recognize Them. Tracy Tolkien and Henrietta Wilkinson, ISBN 1-55209-156-2, First Published in Canada in 1997, Published by Firefly Books, Ltd. An identification guide on costume jewelry designers and companies featured at Antiquing On Line., While searching for hallmarks on jewelry, one needs a good jeweler’s loupe that magnifies at least ten times and of course, one needs to exert a lot of patience. ... In the era where neo-styles were the fashion, many objects were struck with fantasy marks that mimicked antique hallmarks from other countries. As this was a legal practice in ..., Marks & Hallmarks that are initials can also be quickly located using our proprietary INITIALS SEARCH. Each company, artisan or studio is also featured with specific information on its history or products and years of operation. Includes marks for costume jewelry or fashion accessories and Native-American or Southwest jewelry., JEWELRY HALLMARKS - A - AARREE & KROGH (Denmark) AARIKKA (Finland) ACCESSOCRAFT ACME ADLER, ALLAN ADRIANI GIORELLI AGAM, YAAKOV (Israel) AGUILAR, HECTOR AIGNER, ETIENNE AITKENS (Canada) ALICE ALICIA (Mexico) ALVA (Museum Reproductions) AMERICAN CHAIN COMPANY AMERICAN FASHION …, His costume jewelry firm was a big name in the industry however when he started out costume jewelry was the furthest thing from his mind. In fact, Jonas Eisenberg started his business, and a successful business at that, as a women’s clothier in the early decades of the 20th Century. ... When it comes to marks, Eisenberg pieces were easy to ..., Jewelry History – Jewelry Research – Jewelry Marks – Jewelry Signatures – Jewelry Articles – Jewelry Galleries. COSTUME JEWELRY MARKS – …, Costume Jewelry Hallmarks: A to Z. Posted by Laurie Zeiden on Sep 06, 2018. My blog series, Costume Jewelry Hallmarks, is an ongoing project to catalog costume jewelry hallmarks. Every effort is made to be accurate, but mistakes happen.