上海挂号封：1894年3月8日上海寄北京挂号实寄封，贴光齿十一度半叁分银四方连，销上海黑色二型椭圆中文戳，封左有红色垂直椭圆挂号戳，封背有上海海关戳及3月17日北京海关到达日戳，封面被用红铅笔划上十字型以表示挂号封，难得及罕见的这个挂号戳最早期使用例.。1885-88 Small Dragon Issues，Covers，Internal 3 candareen plus 6 candareen Registered，Shanghai: 1894 (8 Mar.) opened-out envelope registered to Peking bearing 3ca. mauve clean cut perf.11½ block of four cancelled by Shanghai seal type II in black and showing a superb strike of the type I Shanghai "R" in vertical oval struck in red, the reverse with Customs Shanghai and Customs Peking (17.3), the envelope has been crossed with blue crayon. A fine and appealing cover and is the earliest recorded date of use of this registration handstamp. Photo
