Further consolidating its reputation in private and estate collection auctions, RM has announced the addition of The Dingman Collection to its rapidly expanding slate of auction events. Scheduled for June 8-9, 2012 in Hampton, New Hampshire, the sale features nearly 50 automobiles and more than 1,400 rare neon, porcelain and tin signs ranging from dealership and manufacturer signs to prime examples of American petroliana. The sale’s namesake was a former Ford Motor Company director who amassed a collection described by…

Photo: Darin Schnabel / RM Auctions