5972 "Olton Hall"
(carrying "Hogwarts Castle" nameplates)
GWR 4900 "Hall" class, 4-6-0  built 1937
and
4468 "Mallard"
LNER class A4  4-6-2  built Doncaster 1937

Yarm Viaduct
19 July 2011

'Olton Hall' is seen here taking 'Mallard' back to the National Railway Museum after it's stay at Locomotion, Shildon


Picture: Eric White