Charles Larson won the GAH in 1917, John Henry in 1918, Elmer Starner won the GAH in 1925 and C.A. "Sparrow" Young won the GAH in 1926. The next time Ithaca won the GAH was when Mose Newman did the honors in 1929. So, that letterhead is probably from 1926 to 1929 time frame.