How much is the complete set of 12 authentic blueprints fabulous starship enterprise on Star Trek?

There is no such thing as a complete set of 12 authentic blueprints of the starship Enterprise from the Star Trek television series. The blueprints used for the show were created by the designers and artists working on the show, and they were typically not made available to the public. As such, there is no way to purchase a complete set of these blueprints.