This is one of the 20mm Cannon Shells fired by Mosquito II DD612, flown by my father (Group Captain R G Slade) on the night of 22-8-1942. My father and his navigator shot down a Dornier 217 E-4 U5 ...
The vehicle is armed with a 20mm automatic cannon and has a capacity of over 500 rounds, as well as smoke grenade launchers ...