As a claim to fame prior to royal duty the illustrious Fire fly was the first BR diesel loco into the channel tunnel in Feb 1994 whilst carrying the number 47834 and wering not BR blue but intercity without the swallow.
A far more suitable colour scheme to consider from presumably a much happier occasion than the ceremony supposed to take place at the GWR 150th birthday bash which was cancelled at Swindon due to the wonderfully timed closure announcement of that depot.