拍品號碼 5377

1931年5月31日上海寄比利時首航封，貼全套民國航二票和帆船票2角雙連，銷首航紀念戳，旁蓋柏林紅色航空戳，背面有德國中轉和到達戳。封中折，上品。 f.w. a set of A2 & Junk issue 20c pair, tied by commemorative cds., along with Berlin Airmail cachet, on reverse with Germany transit and arrival cds. Cover folded at middle. VF-F.