Vtg 70s Napier Plique a Jour Enamel Butterfly Brooch Pin Runway Ad Couture RARE

Vtg 70s Napier Plique a Jour Enamel Butterfly Brooch Pin Runway Ad Couture RARE Hard to find Rare Plique a Jour Enamel Butterfly Brooch by Napier Plique a Jour is an enamel technique similar to cloisonne where enamel is applied in cells so that light can shine through like a stained glass window. A similar Napier pin w/ different colored "cells" was featured in a magazine ad in 1971 - see photo top left (slightly cut off) Pin Measures 1-1/2" x 1" Signed on butterfly body "Napier Excellent Pre-owned Estate Condition - STUNNING Thanks for looking!