18 pounder primer cover
Jet Engine Starter Cartridge Royal Air Force 1955
37mm, 1 Pounder blank casing
37 x 90R brass case for the 1 Pounder Pom Pom gun blank cartridge. Base marked VSM, made by Vickers Sons & Maxim. Deep grooves in case wall are to hold the wadding. Very unusual item for the 37mm collector.