This He111 was built around 1950 as a C-2.111H with Jumo 211 engines by CASA in Spain.
It was converted into a 2.111B and  re-engined with Rolls-Royce Merlin engines in 1957.
Phased out of Spanish Air Force service in 1967 it was turned to a private owner in the UK in 1968.
Disguised as '6J+PR' and 'A4+DN', this particular aircraft starred the famous movie-picture "Battle of Britain".