(21 May 2021, 11:37 pm)mb134 wrote 5224 (NK54NVX) Chester-le-Street 21 by Carlisle Bus Group, on Flickr

Best Impressions eat your heart out.

That's one of them! 

Pretty sure they were only ever seen as a short-term measure.
Omnis on the way and the only difference between this being on the 777 one week and the 24 hour 21 the next, was that sticker on the side.