A collection of 42 postcards featuring cars and motorbikes, including 4 American postcards advertising Energy Gasoline with the racing drivers Earl Cooper, Billy Taylor, Ralph K. Mulford and Ira Vail, a group of 6 featuring early racing cars possibly involved in hill climbs and a printed postcard of hanging cars at the Ford Exposition at the 1934 A Century of Progress at Chicago, together with a small group of photographs and 13 modern postcards, all of related interest.