British, WWII - 1942 Dated, 20mm Oerlikon Anti-Aircraft Autocannon Shell Casing – RG Radway Green – 20×110mm RB
British, WWII - 1943 Dated, 20mm Oerlikon Anti-Aircraft Autocannon Shell Casing – Raleigh Cycle Co. (RH) – OeZ Nitrocellulose Loading
British, WWII - 1943 Dated, 20mm Oerlikon Mk II Anti-Aircraft Cannon Cartridge Case – M.P. / A.L. Broad Arrow Marked – Cut-Down Trench Art Variant - 251
