I would preserve:
Arriva Northumbria: 1581 NK64 EEH, Wrightbus StreetLite Max, First enthusiast to sit in cab
Arriva Northumbria: 7522 NK14 GFJ, ADL Enviro400 / Trident 2, First member of public to step foot on 7522
Northumbria Motor Services: 251 G251 SRG, Optare Delta / DAF SB220
RE: Things you don't always think about....