INERT DEACTIVATED. This a scarce British 20pr tank gun smoke (SMK) round that was used in the British Charioteer and early Centurion tanks. The 20pr gun replaced the WW2 17pr tank gun originally fitted to the tank with the bore of the gun increased from 3 inches to 84mm. The smoke projectile has a narrow copper driving band and is of the sealed base eject type. The projectile retains most of its original green painted finish and stencilling. The projectile is stamped round its circumference CU311AD BE (base eject) 20pr SMK (smoke) MK1/1 LOT 1 RLB (Royal Laboratories) 5/51 (date). The projectile is stencilled in black G.E 70 GD 3.52 (Date). The projectile is fitted with a number 390 mark 3/1 fuze. The fuze is stamped BN (RoF Blackburn) 390 MK3/1 49 cy 10/51. The unfired brass cartridge case is headstamped 20Pr NR13C1 LOT4 AI 1961. Price includes UK delivery and no licence is required to possess this inert round in the UK if retained as part of a collection or display. (34), Sn 22846:90