Vintage 12 karat gold filled filigree heart lapel pin

Vintage 12 karat gold filled pin / lapel pin. Heart shaped, delicate filigree design. Stamped 1/20 12K GF. In excellent condition. Vintage gold filled jewelry is considered quite valuable as not only it is better made than most modern pieces, but it also contains a significant amount of real gold. Unisex, so will be listed in both men and women categories.