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What is .900 silver?

  1. Sterling silver

  2. Britannia silver

  3. Coin silver

  4. Mexican silver

The correct answer is: Coin silver

.900 silver refers to coin silver, which is composed of 90% silver and 10% other metals. This purity level is commonly used in US coins and antique silverware. Britannia silver refers to a higher silver content (95.8%) than .900 silver. Sterling silver contains 92.5% silver and is commonly used in jewelry and tableware. Mexican silver can vary in purity but typically refers to silver items made in Mexico.