1931年上海寄龙井村海关公事封1件,贴北京二版帆船4分1枚,销上海10月31日戳,另盖“中华民族誓以最后一滴血捍卫国土!”及“以经济政策对付兵政武力!”宣传副戳,有龙井村11月7日戳,戳记清晰,保存完好,此封所盖之宣传戳于“九一八”有关,非常少见ChinaPostal HistoryRepublic of China1931 (31 Oct.) an On Service cover to Lungchingtsun bearing 4c. tied by Shanghai c.d.s. two kinds of Slogan very scarce.































