Description: rhodium plated base metal, rhinestones, enamelling
Marked: Mechanism marked Coro Duette, Pat No 1798867; pin clips unmarked
Reference: Brunialti, American Costume Jewelry - Art and Industry (2008) Vol 1 p 99. Patent is reproduced below (scroll down); designer Adolph Katz, filed May, granted June 1941
Condition: Excellent
Size: 2.85" x 1.6"
Price: US$485 ' - see our Sales Policies (link below) for any shipping charges
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