Rare vintage yellow gold over sterling silver & sterling silver JC Ferrara detailed duck in flight pin or pendant. The brooch measures 1 1/2" X 1 1/4" and weighs 5.9 grams. The body of the duck is gold over sterling silver. and the wings are sterling silver. The ducks eye is a genuine emerald stone. Marked on the back of the duck 'JCF STER: This piece and all the JC Ferrara collection we have for sale are salesman samples. Some of these fabulous items may have never been in production. All the colored stones are genuine and the diamond like stones are cubic zircons. In excellent vintage condition.