WW2 British MkVI respirator, anti-gas (service), the No. 4 MkVI mask contained in a haversack marked "J.H & Co. (W) Ltd), dated 1941, stamped with War Department arrow above '16' and further numbered in ink 16020, with canister marked 'No. 4A' by B.W & M.L, also dated 1941, and a tin outfit anti-dimming Mk V compound