British 1941 Dated 40 MM Shell Casing – Griffin Militaria

WW2 1944 British Dated 20mm Oerikon Ammunition Shell Casing in

Cold War British Prototypes Archives - Tank Encyclopedia

WW2 1942 40mm L60 Bofors Ammunition Shell Casing

Sporting & Militaria with Antiques and Collectors' Items

List of military headstamps - Wikipedia

Table of handgun and rifle cartridges - Wikipedia

WW2 British 40mm Bofors Shell Case with Cut Neck - MJL Militaria

The Assault Gun Rides Again! – UK Land Power

Miscellaneous WWII Items – Page 2 – Griffin Militaria

British Army 'mobilising' and speeding up new equipment

Shells Archives - MJL Militaria

Cold War British SPG Prototypes Archives - Tank Encyclopedia

WW2 1942 Dated 40mm MK2 Bofors Anti Aircraft Shell Casing