Photo: Theodore W. Pieper ©2021 Courtesy of RM Sotheby'sBlenheim, Ontario, CANADA – Leading early highlights for RM Sotheby’s May 22 Amelia Island auction is a Corvette that Briggs Cunningham entered in the 1960 24 Hours of Le Mans.Photo: Theodore W. Pieper ©2021 Courtesy of RM Sotheby'sThe C1 Corvette (chassis no....