1895年9月12日台南寄厦门进口挂号封, 贴第一版独虎票全套三枚, 销英文双圈台湾民主国台南日戳三枚, 旁盖红方框挂号戳, 并以手写"27"; 下方有红色"TO PAY", 并补贴伍仙欠资票, 销圆形三格"PAID"戳, 旁有9月14日厦门工部到达日戳. 异常特别的挂号封, 兼且为存世只两件台湾票及厦门票混贴封之一; 保存良好, 值得珍藏. AmoyBlack Flag Republic1895 (12 Sept.) envelope registered to Amoy bearing Black Flag Republic die I set of three tied by taiwan republic/tainan c.d.s. with handstruck registration mark in red alongside; with Local Post Office Amoy arrival (14.9), handstruck to pay in red and 5c. Postage Due with red overprint tied by circular paid postmark. Used on the first day of issue of the Postage Due stamps.An extraordinary registered cover and one of only two combinations of Taiwan and Amoy stamps. Photo