4/14/20 - Original, and excellent condition Walther P.38, early magazine for an ac 40 added pistol. Stamped on the left side with "P.38" and Serial # "5083 a". Stamped on the lower spine with double "Eagle 359" All internal parts also stamped "Eagle 359". This is correct for an AC 40 serial numbered 4400a-5400a. Nice, strong spring. Minimal surface wear.