Description: gold plated base metal, enamelling
Marked: Coro Duette, Pat 1798867 (on mechanism); clips are unmarked
Reference: Brunialti, American Costume Jewelry - Art and Industry (2008) Vol 1 p 125. Patents are reproduced below (scroll down); designer Adolph Katz, filed Jan, granted March 1942
Condition: Excellent
Size: 3" x 2.4"
Price: US$3250 ' - see our Sales Policies (link below) for any shipping charges
Please quote Item # cor1854 in your email
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