It is definitely a slightly modified Concorde scale model in order to represent the proposed bomber version even with some artistic licence like formard canards (like Tu-144D).
The liverage is obviously the same adopted by AVRO Vulcan during 70's and 80's.
Anyway I realized some years ago a three view of the actual Concorde Bomber proposal, as follows:
http://www.secretprojects.co.uk/forum/index.php/topic,11507.0.html
The proposed liverage was the typical anti-flash white of mid 60's for all the V Bombers.