拍品號碼 5330

1931年6月4日歐亞航空公司開航紀念首航封2枚，貼北京二版航空票及帆船票，銷紀念戳，另蓋有柏林空郵轉運戳。上品。 both f.w. Peking 2nd Print Airmail issues and Junk issues, tied by commemorative cds., along bearing Berlin airmail transit mark. VF-F.