Blenheim, Ontario, CANADA – RM Sotheby’s continues its online global selling platform with the June 23-30 Open Roads auction.The sale of 76 lots ranges from cars and parts to racing-themed movie posters, including:Robin Thompson ©2021 Courtesy of RM Sotheby's1969 Chevrolet Corvette Greenwood IMSA GTPeter Singhof ©2021 Courtesy of RM Sotheby's1938...