Form of holloware, probably gold-filled metal. Tiny rectangular pin with curved ends. Edges are smooth and outside border on the top looks like a row of little peaks ^^^^ . The background looks like tiny x's like a textile. A scalloped design, made by gold lines and black enamel (taille d'épargne) forms a border around a central raised rectangle flanked by two pieces of metal shaped like a c. The top of the small central rectangle has more taille d'épargne enameling in the form of a star. On the back is a flat covering. Tube hinge, safety clasp and pin stem extends beyond the clasp. 1/2" long 7/8" wide