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• General idea of Thai silver is also known as 925 sterling silver, however that's not completely correct, Thai silver is also the definition of a workmanship, a traditional way to make silver items, and it could be 925 (92.5% silver + 7.5% copper) or 950 (95% of silver) or 999 (99.9% of silver).

• The vast majority of sterling silver contains copper as the alloying material. That said, there are plenty of other additives that see use but still meet the sterling standard. Still, in the bulk of cases, the 925 stamp indicates what you’re holding is 92.5% silver and 7.5% copper by weight.

• In reply to your question of what does NVC 7 and 925 mean when stamped in a silver ring we reply as follows NVC is the makers mark. This mark belongs to a manufacturer who was commissioned by AVON Products Inc. of New York to make rings and other jewelry items for the brand.

So, what does a 925 mark mean when stamped on jewelry? The 925 stamp indicates that the piece of jewelry you’re holding has been created with sterling silver. Sterling silver is an alloy that is made of 92.5% actual silver, with the rest of the metal made up of base metals like copper.

The 925 found on the other side of ring band is the millesimal fineness mark for silver. Therefore the metal content of the ring is likely to be 92.5% silver which is alloyed with some other base metal to strengthen it typically copper but could include zinc and nickel.

General idea of Thai silver is also known as 925 sterling silver, however that's not completely correct, Thai silver is also the definition of a workmanship, a traditional way to make silver items, and it could be 925 (92.5% silver + 7.5% copper) or 950 (95% of silver) or 999 (99.9% of silver).

The vast majority of sterling silver contains copper as the alloying material. That said, there are plenty of other additives that see use but still meet the sterling standard. Still, in the bulk of cases, the 925 stamp indicates what you’re holding is 92.5% silver and 7.5% copper by weight.