(18 Nov 2017, 4:14 pm)Dans_bus_photos wrote To be fair 28027 did have parts of its branding missing so may have been prioritised over the slightly older ones. If 28029 is one of the next ones to be done that will probably confirm it as it currently has no branding down one side.
No idea how many have been done and how many are outstanding, but there was a blue one on the X24 yesterday morning.