About 400 of the Second Generation Colt Single Actions were factory engraved by Colt's, the factory engravers of the period were Alvin Herbert, Earl Bieu, Dennis Kies, Robert Burt and Leonard Francolini.
About 400 of the Second Generation Colt Single Actions were factory, the factory engravers of the period were Alvin Herbert. About 400 of the Second Generation Colt Single Actions were factory, the factory engravers of the period were Earl Bieu. About 400 of the Second Generation Colt Single Actions were factory, the factory engravers of the period were Dennis Kies. About 400 of the Second Generation Colt Single Actions were factory, the factory engravers of the period were Robert Burt. About 400 of the Second Generation Colt Single Actions were factory, the factory engravers of the period were Leonard Francolini. This factory was engraved by Colt's.