First day cover for British Motorcycle stamp issue. Links the historic motorbikes on the stamps to the vital role played by motorcycle despatch riders.
Design shows their 'secret' entrance into Bletchley Park. Nearby a rider dozes after delivery top secret despatches.
Stamps cancelled on the first day of issue by a 1940's despatch rider crash helmet. Super collectable for motorbike enthusiasts. Have a few signed by a BP despatch rider as well.