Tiny Stamps on Shiny Objects: A History of US Gold & Silver Marks

You’ve probably seen “K” and 925 marks before, but unless you are really into jewelry, those marks may not mean much. There are so many different markings, it can be downright confusing. At the simplest level, you should know that any number with a K mark after it indicates the purity of gold, and a 925 stamp means the jewelry is made of sterling silver. Read on to learn more about the purity marks you’ll find on jewelry in the United States. Check back for future posts on marks for other countries.

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Precious Metals – Jewelry, Coins & Bullion

Mankind has valued precious metals for millennia. Gold artifacts have been discovered dating back 7,000 years and the oldest known gold coin was made in the ancient kingdom of Lydia (located where Turkey is today) more than 2,700 years ago. Precious metals have typically included gold, silver, and platinum. More recently, pallidum has been added to the list. All are considered “precious” because of their

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