LMR Cafeteria Party car © Paul Bartlett collection (4w)
Identified as LMR Cafeteria/Party car Type B as Diag 2184 converted in autumn 1953 at Eastleigh with unusual high windows. External photo https://paulbartlett.zenfolio.com/lmscoach/h64552003
A few of the prices - 5d (2p) for a cup of tea; Meat pie and Lyons' gala pie both 9d (4p)