Deco Invisibly Set Sapphires Double Pyramids Dress Clips or Pin 'Duette'

Description: rhodium plated base metal, rhinestones. The two dress clips can be worn separately, or attached to the mechanism and worn together as a pin
Marked: Pat 1945268 (on mechanism)
Reference: Patent is for the 'duette' mechanism, to John Fielding of Providence RI, half assignor to Joseph P. Whitaker, dated 1933-34. This pin dates from the mid 30s, manufacturer unknown
Condition: Excellent
Size: 1.75" x 1.25
Price: US$295 ' (insured shipping included)
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