Rare “COLTS / PATENT” Flask for the Colt Model 1851 Navy percussion revolver. American one-sided flask, decorated with a prominent Cannon and a drape of Flags. Above the flags is stamped “COLTS / PATENT” with crossed pistols and rifles above this stamping. Made for the Colt Model 1851, 1861 Navy percussion revolvers. The body has a brown lacquer finish, with the top being secured to the body with three steel screws. The spring is blued. Measurements: 5½ x 2 7/8 inches. Excellent condition.