1920s French art order deco CELLULOID BIRD PIN green black laminated geometric inlay plastic

Fabulous 1920s French laminated celluloid geometic art deco pin. It is green celluloid with inlaid black triangles that form a stylized order bird. Pin is 1-7/8" across at widest. It has riveted brass French style trombone pin clasp. Not marked or signed, purchased in Paris from old store stock. The pinback metal has some tarnish and signs of age, otherwise pin is excellent.