Here is a sterling silver harp pin stamped JCF. JCF sells jewelry in the Ta' Qali Crafts Village in Rabat, Malta. They have over 40 years experience in the jewelry business and started out with just two huts where they hand crafted jewelry. This pin measures 1 1/2" X 1" and is stamped on the back JCF Ster. The weight is 6.78 grams. Excellent condition.