Clark Shaughnessy, the "father of the T formation" coached Stanford to an unbeaten, Rose Bowl-winning season in 1940, just one of the achievements in a HOF playing (Minnesota) and college/pro coaching career. This panoply of 119 signed checks date to his days as Pape Bear Halas' technical advisor in the early '50s-early '60s and carry near-perfect signatures of the gridiron legend in a variety of ink colors. Checks average VG-EX.