The locomotive shown is No. 6009 "King Charles II". This picture is the cover from the remains of a Railway Wonders of the World magazine from July 1935.
GWR King class 6009 Cornish Riviera Express Dawlish framed picture free p&p UK
Lima 205104 MWG GWR King Class 6009 King Charles II 4-6-0 BR Blue 00
GWR Saint class 2934 between Reading and Didcot framed Railway Wonders cover fre
GWR King Class hauls the Cornish Riviera Express framed picture free p&p UK
PHOTO GWR KING CLASS LOCO ON CORNISH RIVIERA EXPRESS AT LAVINGTON 1964
GWR King Class 6015 Richard III Cornish Riviera framed picture Cuneo free p&p UK