Case Heavy Jack 31 SAB (1970’s)

Case Heavy Jack 31 SAB (1970’s) 3 3/4″ LONG CLOSED TANG MARKED: CASE XX , USA 31SAB BLADES are MIRRORS TIGHT and SNAP VERY HARD BLADES do SHOW SURFACE SCRATCHES Knife has been Previously owned by collector. Does not appear to have been sharpened. See images for condition.