上海挂号封：1894年4月14日上海寄北京比利时使馆挂号封，贴叁分票三枚，销蓝色上海椭圆中文戳，及红色上海圆型挂号戳，封背有上海海关戳及4月21日北京海关到达日戳， 信封上另有手写IX记号，少见及非常吸引的信封.。1885-88 Small Dragon Issues，Covers，Internal 3 candareen plus 6 candareen Registered，Shanghai: 1894 (14 Apr.) a neat envelope registered to the Belgian Legation in Peking bearing 3ca. mauve (3) just tied by Shanghai seal type II in blue and with a good strike of the circular Shanghai type II registered handstamp in red, the reverse with Customs Shanghai and Customs Peking (21.4) c.d.s.. An attractive cover being number IX of this known correspondence. Photo
