Factory Engraved Colt Single Action Army Revolver in .44-40, 5.5" barrel, Serial number 186772, circa 1899. Silver washed finish with smooth pearl grips. Comes with factory letter from 1960 stating: factory engraved, .45 caliber, 5 ¬Ω inch barrel, grips plain ivory (They are actually mother of pearl), sold to Colt San Francisco agency, shipped to Copper Queen Con. Mining co., Bisbee, Ariz. Shipped Sept. 22, 1899 one gun in shipment. Factory letter states .45 caliber however this is a .44-40 revolver. This firearm is modern and must be shipped to a FEDERAL FIREARMS LICENCE HOLDER or a CURIO AND RELICS FFL HOLDER! Processing and shipping within the Continental US $45 . All FedEx packages are sent with Direct Signature Required and insured at full replacement value for a fee of 1.5% of the purchase price, unless buyer accepts complete liability in writing. Discounts given on combined lot shipping. Overall good condition. Retains very little silver finish, surface primarily black oxidation. Both grips have chip in back corner,