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https://www.starcojewellers.com.au/0-9-jewelry/616-marking-on-jewelry.html
For smaller items, as jewelry, the system is much more simplified and comprises of a mark indicating the precious metal and a maker’s mark. Since 1838 an eagle’s head indicates a gold purity of at least 18 karat and the boar’s head or crab mark is stamped on articles with a …
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 ...Author: Kate Miller-Wilson
https://www.invaluable.com/blog/guide-to-jewelry-marks/
Apr 06, 2020 · In the United States, the National Gold and Silver Stamping Act of 1906 required jewelers to include an accurate purity mark, which indicates the materials used in a given piece. In 1961, the American government also mandated that jewelry manufacturers include a maker’s mark, which indicates the producer of a piece of jewelry.
https://www.leaf.tv/articles/what-is-the-meaning-of-numbers-on-jewelry/
The definitive marking for fine silver jewelry is “Sterling” which is .925 pure silver, mixed with minimal base metals. It is commonly marked “925”. A "900" stamp on silver tells you that it is 9 parts pure silver and 1 part other metals. Platinum Markings.
https://thinkengraved.com/blogs/news/a-guide-to-what-jewelry-stamps-mean
Apr 29, 2021 · This is basically the maker’s mark for Pandora Jewelry. This is stamped in almost all Pandora jewelry except for maybe a few smaller pieces. What does sk9 Platnaire mean? Platnaire is an alloy consisting of 92.5% silver, 5% platinum and 2.5% other elements but is …Estimated Reading Time: 7 mins
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