Colt Firearms Factory Used Gold Cup 1911 Brass Stamping Die Very Rare Posted on September 4, 2023 by admin Colt Firearms Factory Used Gold Cup 1911 Brass Stamping Die Very Rare. 1.64″ x 2.63″ x. Welcome to Skkustoms Rampant Colt Collectables We specialize in Colt Firearms Memorabilia / Collectibles.