Minority Knives (advanced color changing knife routine) by JP Jackson 1975

Minority Knives (advanced color changing knife routine) by JP Jackson 1975. You get 4 knives and a pocket holder for two knives which is part of the great routine).  The knives are photographed on both sides.  You get w/w, r/w, g/w and y/w.  Original instructions. Knives are mint!

Estimate $200-300