Manufactured in 1901 with standard markings (which include "COLT FRONTIER SIX SHOOTER" on the left side of barrel) and features. The matching serial number is marked on the bottom of the frame, trigger guard, and back strap. The loading gate is marked with the assembly number "641". The included factory letter confirms the current configuration (grips not listed), as well as shipment to Witte Hardware Company in St. Louis on 22 October 1901.