1/8/21 - This is an original WW1 era production type 2 snail drum Luger magazine. The magazine is maker stamped and proofed by Bing "B/N", and matching serial numbered 648828. The spring is strong and functional. No rust or pitting, but there is some roughness / texture to the underside of the magazine. There's also normal patina throughout the blued finish. Normal signs of use and aging.