本帖最后由 dowager1894 于 2015-8-13 10:46 编辑
回复 alainfang
"The owner of the cover thinks one of the two stamps on the cover is the variety ...
williamzhang 发表于 2014-11-12 11:27
Not mentioned.
Treaty Ports, Shanghai : 1880 (14 Oct.) envelope to St. Petersburg, Russia (27.11) bearing 10c. on 12c. pale blue pair neatly cancelled "S1" with matching "Shanghai/A" c.d.s. adjacent, showing on reverse "Hong Kong/A" (18.10), Brindisi (21.11) and Bologna (22.11) transit and St. Petersburg arrival c.d.s., some very slight edge wear, a very desirable fine and rare cover to Russia. S.G. Z789.
Estimate 50,000 - 60,000
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