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OTC 10K on jewelry typically indicates that the piece is made of 10-karat gold that has been produced using an over-the-counter (OTC) process. The "10K" signifies that the gold content is 41.7% pure gold, with the remaining 58.3% consisting of other metals. This marking assures buyers of the gold's quality and authenticity, suggesting a balance between durability and value.

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1w ago

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What does JWER mean on jewelry have a white gold 10 k anniversary ring with 10 k on one side and JWER on other side?

Short for Jewelry


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