淡水挂号封:1894年2月25日淡水寄上海Gunzburg挂号封,贴光齿十一度半叁分票二枚,销蓝色淡水无日期海关日戳,旁有黑色厦门双圈椭圆海关公文戳,并以红铅笔在信封面划上大十字,封背盖另一淡水海关日戳,2月27日厦门海关中转日戳,3月3日上海海关到达日戳; 罕见淡水小龙挂号封,品相中上。1885-88 Small Dragon Issues,Covers,Internal Customs Post plus 6 candareen Registered,Tamsuy: 1894 (25 Feb) <I>Gunzburg, envelope registered to Shanghai bearing clean cut perf.11½ 3ca. mauve (2) cancelled by "<H>customs/tamsuy", c.d.s. in blue without yeardate, alongside is the double-oval "<H>amoy customs/mail/matter", in black and crossed lines in red crayon, the reverse with a good strike of the Customs Tamsuy c.d.s., Customs Amoy (27.2) and Customs Shanghai (3.3) c.d.s. Good to fine and very rare. Photo