Vintage Cloisonné Enamel Birds on a Branch Pin

Darling vintage Chinese export pin with three birds on a branch. It is sterling and marked silver. Typical of the 1920-1930s pieces. The cloisonné enamel is colorful and in great condition. It measures 1 7/8" by 1 3/8". Weight: 4.97 grams.  A rare find.