WW2 US Thompson sub-machine gun cover

WW2 USThompson sub-machine gun cover. The canvas transport case was used for both the M1 and M1A1 Thompson SMG. The cover is faintly marked with 'COVER THOMPSON SUB-MACHINE GUN CAL.45 D50268'. The cover is complete with its functional original zipp. There is one small damage. Rare original example in good used condition.