Vintage Butterfly Wing Double Sided Pendant Necklace Sunset Scenes Tropical Scene on one side Birds Flying Near Conifer on one side Blue Orange Black The iridescence of the lovely butterfly Reverse Painting on a glass cabochon in black for a silhouette Silver Tone Metal is unmarked Butterflies that have died of old age are used to create artful appreciation of their beauty. This art was the most popular between the 20's and 60's. The South American Morpho Butterfly is mostly worked with Ruby Lane has an unmarked double sided butterfly wing pendant for half off of their original $30: $15 ButterFly, Art Deco Style to Mid Century Style to Hippie Style, Pendant, Chain with fun clasp, Sunset, Tropical, Bluff Top, Birds, Oval, Framed, Vintage to Antique