Hard to find WW2 30mm cannon shell. Developed by Rheinmetall-Borsig, for use in the heavy cannon MG 101 (MK 101), fitted to 'tankbusters' and German fighters late during WW2. This is the HEI for aerial combat.

The base is stamped aux 44 742, and the head is stamped zz158982g3 exw 44. The shell is in good condition with original yellow paint, with a slight split to the cartridge near the head.