Kinfolks Knives: A History of Cutlery and Cousins by Case, Dean Elliott. 5. 0 out of 5 stars. 1 product rating Kinfolks Knives: VINTAGE KINFOLKS KNIFE COMBO SET WITH SHEATH yellow Celluloid handle. PreOwned. 175. 00. or Best Offer 11. 95 shipping. KINFOLKS INC. KNIFE WITH SHEATH, BLACK WALNUT HANDLE,