Trent have painted 691 in an early British Railways. Looks good!
https://www.facebook.com/photo.php?fbid=700399443314812&set=a.618669974821093.1073741835.189145857773509&type=1&theater
Excellent! I thought, upon reading the topic title, it'll be an advert-type thing sized to cover the whole of the bus in scale, but it's better then I expected. Thanks for the share!