The Valentine was arguably the best British tank of WWII. It was developed by the Vickers company in 1938 and had been in production from 1940 to early 1944. The British Army used it widely, especially in North Africa. About 3,800 Valentine IVs were delivered to the Soviet Union under the lend-lease agreement. They had been operated with success until 1945. upwards of 8,250 Valentine IVs were built.