Registration Number 2519 WE, built in 1958 was the first of six "B3RA"
Bridgemasters with Park Royal H45/31R bodywork (Body Nos. B41891-896) delivered to Sheffield
Corporation in January '59 (Fleet Number 519).
Registration Number 2523 WE, built in 1959 (Body Nos. B41891-896). It was Sheffield's fleet no. 523,
from the same batch as 2519 WE.
Information courtesy of Roger Hardy