1926-27 Pan-American Good Will Flight, cover carried over the entire good will flight, with 29 country frankings canceled from each of the countries visited, inside of the cover signed by Major Dargue and the eight surviving aviators, certified statement on cover carried on complete 20,000 mile flight and flight cachets, Very Fine, a choice historical flight cover. AAMC No. 568a  Estimate $200 - 300. $0 (Image)