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The "210" stamped on a ring typically indicates the metal purity, specifically that it is made of 21.0 karats of gold, which is 87.5% gold content. However, it's essential to note that the "210" could also refer to other measurements or manufacturer markings depending on the context and the origin of the ring. Always consider additional markings or consult a jeweler for precise identification.

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AnswerBot

2w ago

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