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https://www.starcojewellers.com.au/b-jewelry/b-765-stamp-on-jewelry.html
Apr 06, 2020 · The date letter stamp, a requirement for British jewelry until 1999, is useful to know if you need to date a piece of vintage or retro jewelry. Silver pieces imprinted with a lion denotes 92.5 percent silver — thus sterling silver — while the Britannia mark means that it has 95.8 percent pure silver.
https://community.ebay.com/t5/Archive-Fine-Jewelry-Gems/765-mark/td-p/1390268
Apr 17, 2011 · Hi All, I have a bar brooch, possibly Victorian, stamped 765. The back is gold coloured and tests as 14ct, the front is white gold or platinum and is set with an aquamarine and 2 tiny diamonds. Any ideas? sorry tried to take a picture but camera died.Estimated Reading Time: 3 mins
https://thinkengraved.com/blogs/news/a-guide-to-what-jewelry-stamps-mean
Apr 29, 2021 · For gold, the stamps are 375, 585, 750, 916, 990 and 999. For silver, the stamps are 800,925,958 and 999. For platinum, the stamps are 850, 900, 950 and 999. Please refer to the photo to see what the stamps look like as well as the essay’s office stamp. That covers the most common stamps on gold jewelry. There may be some other variations or ...Estimated Reading Time: 7 mins
https://www.globalgemology.com/b.html
BLACK, STARR & FROST Hallmark(s): "B.S.&F.", "B.S.F.", "Black, Starr & Frost" Information: Black, Starr & Frost was founded in New York City in 1810, and is considered America's oldest continuously operating jewelry firm. They've had many notable clients, such as The Rockefellers, Vanderbilts, Carnegies, Guggenheims, Elizabeth Taylor and Zsa Zsa Gabor.
https://www.raregoldjewelry.com/guide-stamps-inscriptions-gold-jewelry
Feb 20, 2013 · A lot of jewelry will have several stamps or marks. Often there is one stamp to indicate the purity of the gold (“14K”, as mentioned above). The purity mark can be accompanied by a second mark called a maker’s mark or a jeweller’s stamp. These are custom stamps or engravings placed in jewelry by whomever manufactured it.
https://quickjewelryrepairs.com/articles/jewelry-stamps-what-do-they-really-mean/
750 stamp on jewelry means 18k Gold. 417, 585, or 750 – this is just another way of telling us the gold content. However, instead of referring to how many parts out of 24 are pure gold, this number is now out of 1,000. So for 10K gold jewelry, 417 out of 1,000 parts are pure gold.
https://www.thoughtco.com/metal-jewelry-stamps-and-marks-608017
Feb 12, 2020 · Jewelry made from precious metals is often stamped with a mark to indicate the chemical composition of the metal. A quality mark contains information about metal content that appears on an article. It is usually stamped or inscribed on the piece. There is considerable confusion about the meaning of quality marks that are seen on jewelry and ...
https://jewelry.lovetoknow.com/about-jewelry/understanding-markings-jewelry
You may notice the following metal stamps or markings on your jewelry: Marking. What It Means. A number, followed by "k" or "karat". The item is gold. The purity of the gold varies by the karat number, with "24k" being nearly solid gold and "10k" being 10/24 gold. "Gold-filled" or "GF". The piece is mostly made of base metal, but it has a sheet ...
https://www.925-1000.com/americansilver_B.html
Primarily a retailer of Northern made goods. Listed in N.O. directories 1840s/50s, at 7 Chartres St. Primarily jewelry & insignia, some holloware. c.1851- 1876 successors to Ball, Tompkins & Black. Manufacturers of sterling holloware. Successor to Rathbone & Richards, founded by Barton Allan Ballou (b.1835) in the late 1860s, still active in ...
https://www.myclassicjewelry.com/blog/vintage-jewelry-marks/
Aug 15, 2014 · Jewelry companies would often use up their supply of pre-stamped clasps and findings after switching to a new signature, so some pieces made soon after 1955 might not have copyright symbols. A detailed study of vintage jewelry marks could fill multiple books, but to give some guidance we can use the Trifari company as an example.
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