U.S. Offices in China, 1919 "Shanghai" surcharge 2c. on 1c. to $2 on $1, very good to fine unused (regummed, most including $2) or mint. Scott K1-K16.
Estimate HK$ 1,500 - 2,000 Est. HK$1,500-2,000 (Image1)

Est. HK$1,500-2,000

U.S. Offices in China, 1919 "Shanghai" surcharge $1 on 50c. and $2 on $1 used blocks of four, well centred, $1 on 50c. couple light horizontal creases in lower pair, fine to very fine pair of scarce used blocks. Scott K15-K16.
Estimate HK$ 7,000 - 9,000 Est. HK$7,000-9,000 (Image1)

Est. HK$7,000-9,000

U.S. Offices in China, 1922 (14 Oct.) envelope to Madison, Wisconsin, U.S.A. (10.11) with "Special Delivery" endorsement and handstamp, bearing "Shanghai" surcharge 6c. on 3c. pairs (2) cancelled by "U.S. Pos. Service Shanghai/China" duplex, very rare special delivery usage. Ex Markovits. Scott K3.
Estimate HK$ 5,000 - 6,000 Est. HK$5,000-6,000 (Image1)

Est. HK$5,000-6,000

U.S. Offices in China, 1848-1922 envelopes (3) comprising 1848 stampless envelope (with enclosed letter) to U.S.S. Ohio, Canton, showing "Navy Department" h.s. (carried outside the mails through the U.S. Navy's own communication network), 1900 "District of Columbia" stampless penalty envelope from Washington, D.C. to "Tchowfu", China, redirected a number of times internally, and 1917 "U.S. Consulate Sanitary Report" envelope from Chunking to Washington, D.C. bearing Junk 1c. and 3c. (3), an interesting trio.
Estimate HK$ 2,500 - 3,000 Est. HK$2,500-3,000 (Image1)

Est. HK$2,500-3,000

U.S. Offices in China, 1908 (19 June) official envelope (132 x 262mm.) to Peking, showing three strikes of "Legation of the United States of America/to China" ornamental framed bilingual cachet in red, fine usage.
Estimate HK$ 7,000 - 9,000 Est. HK$7,000-9,000 (Image1)

Est. HK$7,000-9,000

U.S. Offices in China, Ephemera : 1882 (10 Apr.) U.S. Treasury Circular to Customs Collectors concerning the prohibition on the importation into U.S.A. of opium by Chinese "subjects" (nationals) with blue "Customs House, Philadelphia" receiving circular h.s. (17.4), folded horizontally and couple short edge tears, fine.
Estimate HK$ 600 - 800 Est. HK$600-800 (Image1)

Est. HK$600-800