1900年3月28日伊宁寄北京挂号红条封, 封背贴一对14 戈比票, 销K5A型 "1"号日截, 另贴俄国风格的挂号签条, 再加北京民信局的手盖印, 而在封面有3月29日伊宁调度戳及恰克图"4 "号的5月7 日中转日戳, 保存状态很好的三倍邮费挂号封,另方面所用挂号签条是1900 才新使用的SinkiangRussian Post OfficeKuldja1900 (28 Mar.) red band envelope registered to Peking bearing, on the reverse, pair of 14k. tied by type K5A, code "1" c.d.s., with a further strike alongside and the Russian-type registration label KR2 plus Min Chu handstamp applied in Peking, the address side with despatch c.d.s. (29.3) and "<H>troitskosavsk 4" transit c.d.s. (7.5). A fine, triple rate registered cover and early use of the registration label which was introduced in 1900
