The trapper knife is one of the most popular patterns in collectible cutlery.  It features two long blades on the same end; a clip point and spey blade.  They were originally designed for trappers who needed reliable and multi-functional tools for skinning and processing game.

A 1970 Case XX Stainless trapper knife
A 1970 Case XX Stainless trapper knife with red bone handles

Case, Western States, and Schrade are some of the companies that have produced trapper knives that are prized by collectors.  Check out other cool pocket knife patterns such as the Canoe, Sunfish and Coke BottleI appreciate any traffic from these links as I earn commission when an item is purchased, at no extra cost to you.