CZECH CZ-50 7.65MM SEMI-AUTOMATIC PISTOL #693071 FRONT GRIP STRAP STAMPED WITH NB51, NB REFERENCE TO THE PUBLIC SECURITY OR ARMED FORCES ONLY EARLY 1950’S GUNS HAVE THE NB STAMP, IMPORT MARKS ON LEFT SIDE OF SLIDE,  3.75″ BBL, BLUE FINISH IN EXC CONDITION, EXC BORE AND STRONG RIFLING, SMALL SCRATCHES BY THE SAFETY, SLIDE AND TRIGGER WORK AS THEY SHOULD, MADE IN CZECHOSLOVAKIA. OVERALL 95+%