These are very collectable. Buck contracted with Schrade to produce a stockman pattern because at the time they didn't have the ability to do it themselves. Most other American cutlery companies were already producing slip joint pocket knives. Their contract didn't last very long, and they went to Camillus Cutlery Co. to produce their slip joint knives all the way until they closed their doors. Some of Bucks knives were always produced by contracting with other companies, and never produced in house. It is a direction that can be collected, and can last for a life time.