1897年吴淞寄上海实寄封1件,贴石印版蟠龙1分4枚,销吴淞蓝色八卦戳,另销吴淞97年12月24日大圆戳,有25日上海工部到达小圆戳,小圆戳与邮票骑缝,邮戳清晰,保存完好,此封为蓝色吴淞八卦戳最早使用例ChinaPostal HistoryImperial Post1897 (24 Dec.) cover from Woosung to shanghai, bearing I.C.P. 1c. (4) tied by Pakua cancellation in blue, Woosung Dollar dater in blue alongside, and Shanghai Local Post arrival c.d.s. (25.12).