صورة:Heinkel He 111 during the Battle of Britain.jpg

German Heinkel He 111s which went into service in 1937. Some 6000 Heinkel He 111s were built but were found to be a poor match for Hurricanes and Spitfires during the Battle of Britain.

Imperial War Museum Collections, Photo No. MH 6547

Before 1945 at least.

Unknown.

See below.

This is because it is one of the following:

1. It is a photograph created by the United Kingdom Government and taken prior to 1 June 1957; or
2. It is a photograph or an engraving created by the United Kingdom Government and commercially published prior to 1958; or
3. It is an artistic work other than a photograph or engraving (e.g. a painting) which was created by the United Kingdom Government prior to 1958.

More information. See also Copyright, Crown copyright artistic works and HMSO Email Reply.