Wishbone stickpin of a base metal, gilded by gold, some surface is worn and there is some verdigris on the collet setting of the amethyst. It may be a real gem because of the unusual diamond shape, the facets are sharp and the back is open to allow light to show the color of the stone. The pin stem is thick. Pin is 2 9/16" long--wishbone is 3/4" long by 3/8" wide.