"GIBSON GIRL" CARVED SHELL CAMEO & LACY OPENWORK LAVALIERE NECKLACE Circa : 1920's Necklace length : 16-1/4", cameo length 3/4", in openwork mount with textured surface, paired matching "wings", cable chain. Quality & Maker marks : signed on back of the cameo frame "AMCO", "1/20TH 10K GF"; and on spring ring "1/20th 14k GF" Condition : vintage fine # bva 25006 B.......................................................SOLD