Swedish State Railways electric locomotive class F (built about 1940) hauling the southbound express for Copenhagen in the southernmost part of Oslo in the summer of 1974.  The photographer was only 16 years old and still proud of his Kodak Instamatic!  

Photo by Leif-Harald Ruud (leif-harald.ruud@skreditt.no; http://home.online.no/~leifharr)