Golden Key Pin. Material: metal, mineral. Size: 1/2" W. x 3/4" L. x 3/16" D. Description: gold tone metal - black and orange enameled key-shape - diamond chip in center - imprinted: "The Great American Tea Company Golden Key Club" - threaded screw and disk closure on reverse - stamped on reverse: " Whitehead & Huag Co. Newark, N.J."