View of motorcyclists crossing finish line during 1911 motorcycle races at Guttenberg motordrome in New Jersey. Racing official waves flag at finish line; spectators and grandstand in background. Stamped on back: "Spooner & Wells, Inc., photographers, telephones 3472-3473 Columbus, 1931 Broadway, New York." Handwritten on back: "Motorcycle races--Guttenberg motorcycle races, 1911."