(30 Mar 2014, 5:14 pm)NEBCD Malarkey wrote 3964
Bought New to Chester le Street in 2006 - 21 24 Hours a Day
Was Branded Angel in 2006/07
Was Repainted for the TTX in 2009, and Transferred to Sunderland Road
Was Repainted Red Northern in August 2012 - Remained at Sunderland Road
Was Repainted Green for Festival of the North East in April/May 2013
Was Repainted Yellow in July 2013 for Real Radio
Was De-Branded and Remained Yellow for Children in Need in October/November 2013
Was Repainted Red in February 2014 for GNE Corporate Livery
Just what I gathered from a quick Flickr Search, I sure it started out on the 724 rather than the 21 though, but I would double check, also Double Check Dates also as they might not be Accurate.
I recall simialar. Corgi made a model of a 724 Gemini 1 and an X20 Solar, and I'm positive the 724 model was either 3964 or 3962. One or two were branded with 724 and the route right across where the advertisements would typically be.
EDIT: The model was actually of 3963 but I have found images that show 3962 and 3965 in the same livery, but none of 3964.