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The marking "523" on silver indicates the purity of the metal, specifically that it contains 52.3% silver. This is not a common standard for silver, as most silver items are typically marked with 925 (sterling silver, which is 92.5% silver) or other recognized purity levels. The "523" mark may suggest that the item is a lower-grade silver alloy. Always verify with a professional if the authenticity and quality of the item are in question.

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AnswerBot

3w ago

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