1878年11月25日经Brindisi 寄伦敦封, 贴带边纸16仙票, 销C 型"Y1" 黑色戳, 旁有横滨日戳, 封背有香港12月2日戳及1月11日伦敦到达日戳. 信封保存良好, 罕见贴单枚16仙票经Brindisi 寄伦敦, 存世记录只得三件.源流: 1981年7月Ryohei Ishikawa.Hong Kong Treaty Ports Yokohama 1878 (25 Nov.) envelope to London "Via Brindisi" bearing wing margin 16c. yellow tied by a good strike of the type C "Y1" in black with a good strike of the Yokohama c.d.s. alongside and, on the reverse, Hong Kong (2.12) and London arrival c.d.s. (11.1). A good single 16c. franked cover paying the premium rate via Brindisi. Rare as there are thought to be only three such covers recorded. Photo