Maybe I'm off, but this seems like a good deal for a heritage $324,500 which includes buyer premium for 4,900 mile GT.
https://www.barrett-jackson.com/Events/Event/Details/2006-FORD-GT-HERITAGE-EDITION-234099
https://www.barrett-jackson.com/Events/Event/Details/2006-FORD-GT-HERITAGE-EDITION-234099