Vintage Coro Duette Bird of Paradise Pin. This gorgeous piece is made up of orange, yellow, and white enameling for the birds body and feathers, pretty blue green, purple, and pink enameling for the flowers, and stunning white rhinestones on the bird's belly's and for the center of the flowers. This fine jeweling is set on Rhodium plated metal, a trademark for Coro jewelers. The beautiful duette birds are held together snugly with the aid of Coro's famous pin frame that is signed "Coro Duette" on the left side of the frame and "PAT. No. 1798867" on the right side. This pin also has a great pin clasp in wonderful working order. The patent number dates the piece to the 1940's, and the measurements are 2 3/4" long by 1 3/4" wide. This entire Coro pin is in great condition with no worn or missing stones. You should come down and check this piece out as it's a vintage masterpiece and won't be around long.