Antique Art Deco 10K yellow gold genuine hand carved shell cameo pin. Subject matter depicts a lovely woman with bobbed hairdo. Gorgeous carved details, with a pretty twisted gold wire frame. Measures 1-1/2" X 1-1/4', shell itself measures 1-3/8" x 1". Pin clasp marked "10K", inside frame marked "AMCO" (A. Michallef & Company- Providence, RI- Established 1919). In excellent condition with no chips, cracks, or hairlines. All natural cameos when held to strong light will show very fine growth lines. These are neither hairlines nor cracks, they are natural to the shell and unique to each individual piece. Circa 1920s.