HE Great Western Railway introduced a series of titled expresses in its 1920s heyday, including in 1927 a Saturdaysonly ‘Cambrian Coast Express’ from Paddington to Aberystwyth. But the service came into its own in the 1950s, when in 1956 a ‘Castle’ Class 4-6-0 (or a ‘King’ after receiving clearance to go
