Mecum’s 28th Annual Spring Auction, which will unveil 2000 vehicles during their five-day auction, began on May 12 and will continue through May 16. In addition to some impressive muscle car offerings, such as Boss 429s, COPO Camaros, Hemi Cudas, a Olds 442 W30, Buick Stage 1, GTO Judge Camaros, Hemi Cudas, and a GTO Judge, Mecum will auction off two real Cobras (a 289 and a 427) and a 1973 Ferrari Daytona. Here are some of the sights and sounds of 2015 Mecum Indy.