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https://community.ebay.com/t5/Archive-Fine-Jewelry-Gems/This-silver-is-from-Guatamala-What-does-the-900-stamp-mean/td-p/1339337
Jul 18, 2010 · 900 silver is also referred to as coin silver in the US. The long tailed bird by the way is a quetzal bird - the national emblem of Guatemala. The second mark on the cat is TA-75 so dates after 1979 and is from Taxco. The A is for the maker's family name and the 75 means they were the 75th A to register their mark.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://hunterridgeacquisitions.wordpress.com/2014/06/27/the-difference-between-silver-sterling-silver-900-silver-800-silver-alpaca-nickel-silver-and-silver-plated-jewelry/
Jun 27, 2014 · Silver jewelry can be made from near pure silver (99.9% silver known as “fine silver”) or one of any number of alloys. Fine silver (99.9%) jewelry is somewhat uncommon. The most common silver alloy used in jewelry today is “Sterling” silver, which consists of 92.5% silver and 7.5% some other metal (often copper, but sometimes zinc).Estimated Reading Time: 9 mins
https://www.truefacet.com/guide/jewelry-hallmarks-mean/
Feb 27, 2015 · On most quality jewelry, the specifications of your jewelry (like gold karat) will appear as a hallmark, or a stamp (or several) on the back or underside of the piece. Hallmarks connote the purity or fineness of the precious metals. Common Gold Jewelry Hallmarks. Pure gold is 24 karats and is stamped as 999 to indicate its higher gold to alloy ...
https://www.khollisjewelers.com/precious-metal-stamps-hallmarks
Hallmarks. The modern Hallmarking System started in London, England in the 1300s to protect the public against fraud from unscrupulous sellers. Due to the high value of pure gold, silver and platinum, there is a great deal of temptation to increase profits by reducing the precious metal content of an alloy during the manufacturing of coins, jewelry, flatware, and other valuable metal art objects.
https://www.thesprucecrafts.com/silver-marks-and-terms-149394
Dec 18, 2020 · Brittania silver (950): Brittania silver is an alloy made of 95% silver, which exceeds the requirement for sterling silver.It is most often marked 950. This silver qualifies as sterling, but it is slightly softer than sterling pieces marked 925 or simply sterling.; Sterling silver (925): This is the standard for silver, identifying a silver item that is at least 92.5% silver mixed with copper ...
https://www.pricescope.com/community/threads/platinum-pt900-or-pt950-so-whats-the-difference.123749/
Aug 26, 2009 · 950 plat isn't always more desirable than 900. There are many different Platinum alloys and each has a unique set of properties. I like 900 platinum/iridium for its brightness, hardness, and workability. Iridium is a pretty amazing metal in its own right.
https://www.925-1000.com/foreign_marks.html
Official standard marks were A 1 for .900 and A 2 for .800, both in a Gothic font. bottom ~ from 1942 - Standard mark, must be accompanied by a makers mark in barrel form lozenge. • Canada from 1946 925 standard minimum, usually with "Sterling" or "Silver" and a maker's mark. Canadian Makers' Marks • China Chinese Export Silver Marks
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