Calderdale 403, MKH81, a Leyland Titan PD2/Roe FH54R new to East Yorkshire M.S. in 1952 as fleet no. 572, with the domed roof characteristic of EYMS double deckers designed to fit under the Beverley Bar.
This bus was used in Halifax for driver training duties.

Photo taken by John Whiteley, summer of 1972, old Halifax bus garage yard