1929年上海挂号寄南京首航封1件,贴国葬纪念4分10分各一枚,北京一版航空邮票1套,销上海7月8日首航纪念戳及同日上海日戳,另盖上海挂号戳,有南京同日到达戳,保存完好,贴北京一版航空全套邮票邮件少见ChinaPostal HistoryRepublic of China1929 (8 July) large registered air envolope from Shanghai to Nanking, bearing complete set of Air mail Issue and Dr.Sun Stat Berial Commemorative Issue 4c. and 10c. tied by first flight c.d.s. and Shanghai c.d.s., on the reverse with Nanking arrival c.d.s (8.7)































