LNER Class A4 4468 Mallard
London and North Eastern Railway locomotive numbered 4468 "Mallard" is a Class A4 4-6-2 Pacific steam locomotive built at Doncaster Works, England in 1938. It is historically significant as the holder of the world speed record for steam locomotives at .
London King's Cross railway station
A number of famous trains have been associated with King's Cross, such as the Flying Scotsman service to Edinburgh. The Gresley A3 and later streamlined A4 Pacific steam locomotives handled express services from the 1930s until 1966. The most famous of these was "Mallard", which holds the world speed record for steam locomotives at , set in 1938.