Vintage Opal Pendant Gold Filled Necklace

Vintage necklace on a dainty chain 12k gold fill metal, signed 1/20 G.F. and the MA hallmark of the Marvel company. The clasp shuts securely. Chain measures approx 18 1/2" long, Opal Pendant measures 3/4" long. As a bonus I'll include this double heart 8" bracelet which has a mark that says KOREA.