Manufactured in 1904. This revolver is one of only 412 Bisley model revolvers reportedly chambered in the .38 Colt cartridge. The top of the barrel is marked with the one-line address and the left side "(BISLEY MODEL) .38 COLT." The left side of the frame is marked with the two-line, three patent dates followed by the circled Rampant Colt. The loading gate is stamped with the assembly number "3899". A "S" inspection mark is stamped in the hammer well above the firing pin hole. The complete matching serial number is stamped on the bottom of the frame, trigger guard and back strap. Blue finish on the barrel, cylinder, trigger guard and back strap, and the frame, hammer and loading gate are casehardened. The revolver has the distinctive Bisley Model grips with "humpbacked" profile, special back strap and trigger guard, 3/16-inch higher frame, curved wide spur hammer and long wide trigger. Fitted with checkered hard rubber grips with the Rampant Colt in an oval at the top.