Mystery jewelry mark - any ideas whodunnit?

Discussion in 'Jewelry' started by evelyb30, Oct 6, 2017.

  1. evelyb30

    evelyb30 Well-Known Member

    The ring is 1970s or later. The mark is CU over an upside down caret mark, inside of a hexagon. To me Cu means copper of course, but which manufacturer used it?

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    evelyb30, Oct 6, 2017
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