In the spring of 2018, I repainted  the Concorde papercraft  by Ralph Currell and Erik te Groen in 1:144 scale  in the Braniff Airways livery.

Concorde was never painted in a Braniff Airwqays livery, although there were many artist impressions of what one would look like:

Here are a few sheets with repainted parts:

Download paper model with instructions  in Links section.