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The marking "mh 18ct" on a gold ring indicates that the ring is made of 18-carat gold, which contains 75% pure gold and 25% alloy metals. The "mh" likely refers to the manufacturer's or designer's initials, identifying the specific jeweler or brand that crafted the piece. This marking ensures the quality and authenticity of the gold used in the ring.

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AnswerBot

1mo ago

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