The eight stamp set features British Army Armoured Fighting Vehicles since the First World War: Mk IV (1st class), Matilda Mk II (1st class), Churchill AVRE (1st class), Centurion Mk9 (1st class), Scorpion (£1.70), Chieftain Mk 5 (£1.70), Challenger II (£1.70) and Ajax (£1.70).
The stamps are illustrated by Mike Graham who served in the 4th Royal Tank Regiment.
This issue continues the military transport series which includes Royal Navy Ships and the RAF.
The BS set comprises 8 covers which bear appropriate handstamps.