Manufactured in 1900 with standard markings and features including "(BISLEY MODEL) 41 COLT." on the left of the barrel. One of only 3,159 Bisley Models chambered in .41 Colt. Matching numbers on the frame, trigger guard, and back strap. The included factory letter confirms the current configuration with grips not listed and shipment to Juan H. Kipp in Guadalajara, Mexico on 29 October 1900.