A popular knife pattern among collectors is called the Canoe.  The raised bolsters on either end give these knives a canoe look and the blades fit nicely within the top of the “boat.”  They typically have a spear blade master and a pen blade on the opposite side.

Case XX 62131 Canoe Knife
Case XX USA 1970’s Bone 62131 Canoe Knife

Case has produced the most vintage canoe pocket knives from the 1920’s to present but Boker, Queen and other companies produced some as well.  Check out other great pocket knife patterns:  Sunfish, gunstock and mooseI appreciate any traffic from these links as I earn commission when an item is purchased, at no extra cost to you.