1943年8月19日巴縣寄美國航空封，貼烈士13分改為20分票一對，另加十四元郵資，銷巴縣日戳，信封邊口有英國檢查封條，並轉遞往蒙特克萊爾，銷10月22日紐約機蓋戳，又此封特註明為單掛號，品相中上.China — West Szechwan; 1943 (19 Aug.) air mail envelope to U.S.A. bearing pair of 20c. on 13c. and additional $14 tied by Bao Hsien c.d.s, British censor seal at side and redirected to Montclair bearing New York machine postmark (22.10). The envelope is marked " Single register" , there is a vertical folding crease. Photo
