This a rare Colt bullet mold for the Colt Third Model Dragoon revolver. Constructed out of brass, the mold has two cavities (round and conical). The iron sprue cutter is marked "COLTS/PATENT". The right side is stamped with the inspection mark "WAT" and the left has "M.M." Good, showing numerous minor dings from use and some scattered light pitting on the iron.