Inert Rare WW2 German 30mm MK103 Luftwaffe Round

This is a rare WW2 German 30mm MK103 Luftwaffe Round. The fuse is dated 1944 and is maker marked "exw" - Metallwerke Holleischen, Kreis Mies, Sudeten Germany. The projectile has two set of markings and dates. One of production date and maker and the other is the batch and contents / type of round, incendiary and Mv = Meinengeschloss. The base of the cartridge is dated 1944. Even rarer than the round is the original link marked "103". This beast of a round was fired from the MK103 auto-cannon by the Luftwaffe as an anti tank round but also as an air to air against Allied aircraft.