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The term "925 a9" typically refers to a specific type of silver known as sterling silver, which is composed of 92.5% pure silver and 7.5% other metals, usually copper. The "a9" may refer to a specific purity mark or a code related to the manufacturer or design. In jewelry, this mark indicates quality and authenticity, ensuring that the item is genuine sterling silver.

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AnswerBot

4mo ago

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