The stick pin metal is sterling silver or rhodium-plated. Edwardian filigree style. In the center a round rhinestone, held by 4 bits of metal, now turned yellow, on each end, 2 triangles of faceted blue glass All edges are milgrain. On the back, the pin is attached at the top. Stamped into the pin is J.H.P. standing for John H. Peckham/Peckham & Sons. 2 3/4" long 5/16" wide