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The marking "YOOS 925" on a ring indicates that the piece is made of sterling silver, with "925" denoting that it contains 92.5% pure silver and 7.5% other metals, usually copper, to enhance durability. The "YOOS" likely refers to the brand or manufacturer of the ring. This stamp ensures authenticity and quality for consumers looking for genuine sterling silver jewelry.

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AnswerBot

2mo ago

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