1893年5月厦门寄上海"邮资已付一分(postage paid 1 cent)"牛皮纸邮资封(Elg), 工部信馆的压印错压于右上端变体, 销清晰蓝色双圈上海书信馆厦门代办所中英文无日期戳, 封背盖5月6日蓝色上海工部日戳及邮务员记号; 相信是此类一分牛皮纸邮资封在厦门的最早使用例. AmoyAgency of the Shanghai Local PostEnvelopes1893 (May) manila postage paid 1 cent envelope (E1g) to Shanghai Pr S.S. Keung Pai showing the variety of the embossing struck on the upper right side of the envelope. Cancelled by a fine strike of the bilingual amoy local post/agency struck in blue and, on the reverse, Shanghai Local Post arrival c.d.s. (6.5) and postmans delivery characters. Some light soiling.Thought to be the earliest example of this manila envelope used in Amoy. Photo