Colorfully enameled twin bird fur clips can be attached to a frame and worn as a pin/brooch. This design was patented by Coro in 1941. Nice heavy cast pot metal with beautiful original enameling. Accented with sparkly clear rhinestones. The clips and pin are in good working order. Marked: "Coro Duette" with a patent number. The brooch measures 3 1/2 inches tall. Excellent original condition.