This KV2 was in German service, it is a KV2 mod 1940 brought to the Krupp works at Essen in 1941 and used in April 1945 to defend the plant against advancing US tanks.
(From http://waralbum.ru site )
Germans KV-2 possibly from training scholl Bad Toelz. Probably this tank was camouflaged by middle war scheme.
Captured KV-2 probably from training scholl Bad Toelz.