Ross-Simons - C. 1930 Vintage Blue Enamel Bow Pin/Pendant, Locket in 18kt Yellow Gold. C. 1930. Joining our Estate collection from the Art Deco era, this beautiful bow pin/pendant presents a pretty locket for storing meaningful memories. The blue enamel ribbon and drop are decorated with elegant 18kt yellow gold detailing. Push-pull safety. Double bale fits up to a 2.5mm chain, sold separately. Blue enamel bow pin/pendant. Exclusive, one-of-a-kind Estate Jewelry.