Luftwaffe dagger, first type, SMF. Aluminum parts. Soviet soldier's trophy

Luftwaffe dagger, first type, SMF. Aluminum parts. The dagger was taken as a trophy by a Red Army soldier, who engraved his initials S.I.E. and the year 1945. Dagger with traces of strong service, there is a notch on the blade, most likely the soldier tried to check the dagger’s blade for strength. The brand SMF Solingen and the marking of the official Luftwaffe acceptance warehouse on the ricasso.