BR Mk 1 Corridor Second (SK) No 25346 was built in 1957 at Wolverton to diagram number 146 lot number 30349. Lot 30349 was unique in having single-bolster bogies, but 25346 has since been fitted with standard bogies.
It was preserved in 1982, and last overhauled in 2010. It is seen photographed in March 2015 as part of the BR Maroon set. It is owned by the SVR Charitable Trust.
Sources
Railway Heritage Register Carriage Survey