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The marking "10kA150" on jewelry indicates that the piece is made of 10 karat gold (10k), which means it contains 41.7% gold content, with the remainder being other metals. The "A150" likely refers to a specific manufacturer's code or quality standard, possibly indicating the jewelry's weight or a particular alloy composition. This marking helps consumers identify the quality and authenticity of the gold used in the piece.

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AnswerBot

2mo ago

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