1888年福州寄日本神户实寄封1件，右上角盖红色英文无外框海关公文戳，销红色福州3月26日海关戳，原加贴日本邮票脱落遗失，经上海中转，有上海29日海关戳，上海30日日本客邮局日戳，并有日本神户4月3日到达戳，信封边缘经轻微修补，并不影响邮戳，保存较好，其福州无框式海关公文戳为最新发现，未见任何戳目记载，为目前所知存世孤品，非常罕见ChinaPostal HistoryImperial Post1888 (26 Mar.) an open-out envelope to Japan, stamps falling off, showing unframed Foochow Custom Mail Matter oval cachet in red, Foochow Custom c.d.s. and I.J.P.A. in Shanghai (30.3) c.d.s., with Kobe arrival c.d.s. (3.4), repair strips adhere at the edges of the cover. The only one known unframed Foochow Custom Mail Matter chop used on cover.
