1 antique ca.1920-1940 Case Tested XX model 6235 1/2 jack knife available.  This slick black scales model 6235 1/2 is in beautiful condition. 

This knife measures 4 1/8" in the closed position.  The master blade itself measures 3".  The second blade measures 2 3/8". 

This antique Case Tested XX jack knife is in excellent condition.  The rough black scales are quite perfect.  The blades have strong snap, and no wiggle.