Commemorative air mail cover with a stamped cachet honoring the first amphibian flight from Cleveland to Detroit over Lake Erie on May 14, 1929, and stamped below “Amelia Earhart, Special Pilot,” signed next to the cachet in fountain pen by Earhart. Scattered light toning and soiling, address label affixed to lower right, small informational caption affixed to reverse, as well as collector’s stamp, tape remnants and a thumb print, otherwise fine condition. A unique flight cover from the aviatrix, commemorating the only flight she flew as an official contract air mail route. RRAuction COA.