Motorcyclist Shorty Mathews racing Thor motorcycle on track, 1912 Michigan State Fairgrounds meet
View of motorcyclist Shorty Mathews racing Thor motorcycle on track during the 1912 meet held at the Michigan State Fairgrounds. Stamped on back: "Spooner & Wells, Inc., photographers, 1231 Woodward Ave., Detroit, Mich., telephone North 1745." Handwritten on back: "Mathews winning 10 mile race, time 10 min., 22 sec. Thor. May 19, 1912."