1897年3月19目厦门经Formosa号轮寄香港双邮资挂号封,贴洋银肆分盖于肆分银淡粉玫色及洋银捌分盖于陆分银红棕色票各一枚,分贴于信封上对角,各销厦门八卦戳,并盖有大型R挂号戳,而3月21日的香港到达戳则盖于封背,少见的厦门寄香港慈寿挂号封.。1897 New Currency Surcharges,Small Figures Surcharge,Covers4c. Letter Rate plus 4c. Registration,1897 (19 Mar.) <I>Graca, double weight envelope registered to Hong Kong via the "<I>Formosa", bearing 4c. on 4ca. light rose-pink and 8c. on 6ca. red-brown cancelled by Amoy pa-kua with the Customs Amoy and large "R" alongside, Hong Kong arrival is on the reverse (21.3). A good cover. Photo