No way this is 18k

toasted

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Jun 1, 2015
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Minelab Equinox 600 XP Deus
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Are the markings just 18K or are they followed by letters?
 

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I would say plated. Sometimes a thin layer of copper is used for a base. When the gold wears through it makes green spots. Tony
 

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In this particular case it appears to be 18k plate on brass.
 

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There have been " Crooks " around as long as there have been honest people. I found a ring stamped 18k that is completely rusted.
 

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