Very typical fare for the X12 at the time would have been this Brush-bodied Leyland Tiger PS1 of Yorkshire Woollen, seen in Bradford. They bought a huge batch of these, many of which were rebuilt and rebodied as double-deckers. This was not one of the ones rebuilt and would almost certainly have been sold for further use after withdrawal in 1959, although I have no record of who bought it.

Photograph by courtesy of The Bus Archive/Roy Marshall