1256. WILLIAM A. "BILLY" BISHOP (1894-1956) Canadian aviator of World War I, officially credited with bringing down 72 enemy aircraft. S.P., 6 1/2" x 10" sepia, a printed photo from The People's War Book showing Bishop from the waist, up in uniform, signed in blue ink beneath the caption. A carefully repaired 3" tear at center-right, some marginal wrinkles, else very good. $60-80