Formation sign of the British X Corps in the Second World War. Three versions of the badge exist, one on a rectangular green ground, one on a rectangular red ground and one on a green ground with domed top.
This photograph INS 5309 comes from the collections of the Imperial War Museums.



Cole, Howard, Formation Badges of World War 2. Britain, Commonwealth and Empire, Arms and Armour Press
Original: British Army Vector:  Usedtoknowthat