1990’s vintage, Mad Dog ATTK prototype fighting knife that measures about 11 1/2 inches overall with a broken tip that can be seen in the pictures. The knifes blade is engraved: This is a reject blade grip test only and is signed mad dog (hard to read in the picture). On the ricasso reads: TYPE B, 1/12/94, GRIP PROTOTYPE, 3/4 STOCK, 1/4 INSERT, STD EPOXY /, PASSED FLEX, PASSED IMPACT, PASSED HEAT / SOL. The piece comes with a black scabbard that reads: PP-89B.