Grubby Stanier Jubilee 4-6-0 No 45709 Implacable approaches Amersham with the Metropolitan Railway Centenary special returning from Aylesbury to Baker Street on 26th May 1963. The 4-6-0, from 21A Saltley shed, gave way to Met Bo-Bo electric No 5 John Hampden at Amersham.
Photo: Brian Stephenson