Cased Colt Model 1855 'Root' Sidehammer Pocket (Model 3a) revolver with fluted cylinder bearing the serial #840(matching serial numbers) in .31 caliber percussion. Pistol presents a 3.5" octagonal barrel. Top of barrel presents two-line stamping in two-portions"COLT PT 1855" and"ADDRESS COL COLT HARTFORD CT USA". The cylinder presents serial number. Serial number indicates that the pistol was manufactured in 1860. Pistol exhibits almost mint bluing and case hardening. Pistol exhibits some wear to cylinder including bluing. Pistol housed in original case containing powder flask, mold, screwdriver and cap box. Case measures 5.5" x 9.25" x 2" and lacks original key. Pistol exhibits minor wear to backstrap. Gun would rate near excellent in NRA antique firearms standards. Provenance: Gary S. Wolfer Collection