Isle of Man Railway.
An undated view of Beyer Peacock 2-4-0T no. 5 Mona at St. John's. No. 5 was a Beyer Peacock product 1417/1874 that has been in store since 1970 with littlw prospect of seeing the light of day again according to Wikipedia. She was one of only two IMR locos to wear a brass number plate on the l/h tank side which is clearly visible in this shot.
[Mike Morant collection]