6/7/17 - This is an original WW2 production Navy Luger magazine. The magazine is in excellent condition with a strong spring and no rust or pitting. The base of the magazine is aluminum and serial numbered. There is also a Navy property stamp on the base "N 5010 x". The magazine tube is blued and stamped "fxo", "P.08", and has two eagle/37 proof stamps. Guaranteed original and authentic.