This duckling necklace is made Cloisonné enamel set into sterling silver.
Cloisonné is made by first bending fine silver wires to form the picture, then the spaces are filled in with enamel glass, then it is all fused to a copper base.
Copper Cloisonné Enamel
Pendant is 1 3/8" long x 7/8" wide
Chain is 18" long