For sale at auction: Lot #390 - This beautiful Corvette was once part of Mike Yager's of Mid America Motorworks personal collection. It is an original 1990 Corvette ZR1. All original documentation comes with the car including the original welcome letter from GM and a complete vehicle history in a scrapbook that includes all documents, photos and other memorabilia. All power accessories. Leather interior, removable fiberglass roof, removable glass roof, 8 cylinder engine and 6-speed manual transmission.