Issue Date: June 13, 1974

U.S. Scott #1538-1541 

This framed vintage Petrified Wood, Tourmaline, Amethyst, and Rhodochrosite complete stamp set turns a genuine 1974 U.S. 10cent Mineral Heritage stamp into a tiny, desk-ready exhibit. Custom mounted in a 3x3 frame. A tiny piece of vintage geology history made for rock hounds, mineral lovers, stamp enthusiasts, and lovers of curious old things.