This is a bit of a problem! There are two possibilities either:
LSWR O2 0-4-4T No W30 Shorwell with the 9.42am Ventnor-Ryde Pier Head near Brading on 7 June 1961. Photo: K.L. Cook / Rail Archive Stephenson ref (F26815)

or LSWR O2 0-4-4T No W30 Shorwell with the 11.18am Ryde Pier Head-Cowes near Whippingham on 9 June 1961. Photo: K.L. Cook / Rail Archive Stephenson Ref (F26846)
I am pretty sure it is the latter but would like confirmation please.