Bag-type powder flask with lanyard ring, manufactured by Dixon & Sons of Sheffield, under contract to Colt. The brass circular top is stamped “JAMES DIXON / & SONS SHEFFIELD” and “COLTS POCKET FLASK” in an arc. This flask, is for the Colt Model 1849 London Pocket percussion revolver and also Colt Model 1855 Root percussion revolvers that were shipped to Colt’s London Agency at 14, Pall Mall. The three-position charger is 2/8, 3/8 and 4/8 drams. The end of the charger is chamfered, to accept the chamber of the cylinder. The brass top is polished, with a fire-blue spring. The body is a dark brown / red lacquer. Very good to excellent with two dents that could be removed. 4 ½ x 1 ½ inches.