Curtis Creations (Curtman) Onyx Necklace

Curtis Creations gold filled onyx necklace.; a trio of oval black onyx stones in thick gold filled frames are linked and attached to narrow gold filled chain via flat round gold connecting links. The center onyx stone has a simulated diamond inside an marquis shaped setting in the middle. Signed 'CC' inside a circle held in a hand, mark for Curtman Company prior to its purchase by Uncas Mfg in 1950, and '1/20 12K GF' in the back of the oval frames. Size: 15 1/2" x 7/8" in front Condition: Very good