FDOI; Indianapolis, Indiana The artwork was arranged to fit a custom envelope template, laser printed on 8.5" x 11", Southworth 24# 100% Cotton Cream Paper. Each envelope was cut from that paper using an Ellison Prestige Pro Cutter with a custom 6-3/4 envelope die and hand-assembled. Text of Cachet Front: After serving as a driving mechanic, he began racing in 1906 and won the national championship in 1910, then joined the Marmon Automobile Company in Indianapolis as Chief Engineer. The company asked him to design and drive a car in the new 500-mile race. Harroun came up with a revolutionary design. The Marmon Wasp, driven by Harroun, won the first Indianapolis 500 mile race on May 11, 1911. Text of Cachet, Back: