I do not see the blue / black one that often. However, I do not get the impression that the production run is limited.
I have no idea about the signature edition. AutoArt and decent communication is new to me...
__________________
www.bugattibuilder.com Your Bugatti resource. Types, scale models, books, WIKI, links.
Bugatti forum. Discuss Bugattis here!
Bugatti photo. NEW !!! Largest online Bugatti photo archive (11000 photos and counting). You can contribute too!