American athlete (1883–1967) who won medals at the 1904 and 1908 Summer Olympics; he is also known for being the first head coach of the North Carolina Tar Heels men's basketball team. Scarce ballpoint signature, “‘Nat’ J. Cartwell, University of Pennsylvania, Capt. 1908 Track Team,” on the reverse of an off-white 3.75 x 2.25 Foremost business card. In fine condition. Pre-certified PSA/DNA.