Intricately hand wrought & versatile this vintage sterling silver & volcanic obsidian starfish pendant or pin was designed & signed by Taxco, Mexico artist William Spratling (1900-67). The pendant measures 3 1/8" long & 3" wide. The handmade sterling chain in the style of Spratling measures 20" long and is marked sterling. The thick carved oval obsidian stone catches the lightly beautifully as you move. Both silver & stone are in beautiful condition. The chain hook, pin back & safety are all in fine working order. Fully hallmarked WS .925 eagle # 30.