1929 (November 7), Pioneer Flight by C.N.A.C. Shanghai - Canton cover, franked by six stamps, including complete 2nd Air Mail issue, tied by Shanghai date stamp and ''funny'' Dove marking in dark blue, Canton arrival ds and registration handstamp is alongside, mostly VF and rare, Est. $600-$750 (Image)

1931 (January 16), Canton - Wuchow Flight cover, franked by two stamps, including Junk 4c olive green and 15c blue green and back from the 2nd Air Mail issue, ''Via Air Mail'' and violet confirmation marking, arrival ds on reverse, VF, Est. $150-$200 (Image)

1931 (April 14), First Flight Beijing - Nanking registered cover, franked by eight stamps, including 2nd Air Mail issue of 10c-90c, Nanking arrival and all appropriate markings are alongside, minor conveyance flaws, still F/VF and scarce complete set franking item, Est. $400- $500 (Image)

1931 (June 6), Pioneer Flight by C.N.A.C. Tientsin - Beijing and then via Siberia to Europe, addressed to Great Britain, franked by seven stamps of the 2nd Peking printing, including three of $1 values, tied by special flight circular markings, bearing red Berlin Zentral Luftpostamt handstamp, vertical fold, still F/VF and rare cover, Est. $750-$1,000 (Image)

1897, Empress Dowager, the Mollendorf issue, 9c bright green, right sheet margin block of four, printed on thick paper without watermark, imperforated horizontally between stamps, perfect quality item, full original streaky gum as always exists on that issue, NH, VF and extremely rare, only another block is known, Chan #28Ma, C.v. $50,000 as two pairs (2010), Est. $20,000-$30,000 (Image)

1897, black surcharge 1c on 3c Red Revenue, top central character broken at left variety, very fresh, unused, no gum, VF and very scarce, C.v. $525++, Est. $250-$300 (Image)

1897, two-line black surcharge 4c on 3c Red Revenue stamp, fresh color, large part of OG, F/VF centering, C.v. $1,650, Est. $600-$700 (Image)

1897, large black surcharge $1 on 3c Red Revenue stamp, nicely centered, intact perforation and bold color, full OG with small hinge remnant, VF and rare stamp in premium quality, C.v. $8,500, Est. $4,000-$5,000 (Image)

1897, Imperial Chinese Post, 50c black green, error of color, block of four with interpanneau margin at left, nice and fresh, full OG, top pair has light hinge remnant, lower right stamp is VLH, lower left - is NH, VF and very rare, only 240 (three sheets) stamps were printed, just a handful blocks survived, C.v. $7,000 as singles, does not correctly reflect rarity of this block, Chan #100a, Est. $5,000-$6,000 (Image)

1897, Wild Goose, $1 carmine and rose inscribed ''Imperial Chinese Post'', perforation 11, part of OG, VF, C.v. $325, Est. $150-$200 (Image)

1898, Carp and Wild Goose, 20c-$5, set of six high values on watermarked paper, including two of $1 values with perforation 14 or 15½, full/part of OG, mostly VF, C.v. $2,480++, Est. $1,000-$1,500 (Image)

1898, Carp and Wild Goose, ½c-$5, set of 12 on paper without watermark (no 5c rose red), but with extra 5c salmon on watermarked paper and 16c olive green of 1907, several stamps with some oxidation including $1 value, nevertheless full/large part of OG (30c has shallow thin, F/VF, C.v. is over $1,900, Est. $600-$800 (Image)

1900-06, Carp and Wild Goose, 20c-$5, set of six high values on paper without watermark, full/part of OG, mostly VF, C.v. $1,725, Est. $600-$800 (Image)

1915, First Peking Printing, Hall of Classics, $2 blue and black, center is inverted, bold colors, intact perforation with center line at left, full OG, very light trace of hinge, VF and extremely rare, no more then 30 examples survived, C.v. $175,000, Chan #245a, Est. $80,000-$100,000 (Image)

1923, Second Peking Printing, Junk ½c black brown, bloc of six (3x2) imperforated vertically, slight foxing, nevertheless full OG, NH or LH, VF and very scarce, Scott listed horizontal pair imperforated between, pair or strip imperf vertically is not listed, Chan #249d, Est. $500-$600 (Image)

Local Issues. WUHU AND AMOY: 1894-96, about 100 mint and used stamps, first and second issues with later overprints and surcharges, including 15 Postage Due overprints, full/part of OG or used, F/VF, Est. $250-$300 (Image)

Special Delivery stamps. 1914, Wild Goose, 10c green, complete strip of five parts with roulette and serial No.0553 in green, unfolded and post office fresh, no gum as produced, NH, VF, C.v. $350, Est. $150-$200 (Image)

Special Delivery stamps. 1916, Wild Goose, 10c green, complete strip of five parts with printed letters ''A'', ''B'', ''C'' and ''D'', serial No.0542 in green and additional black handstamp, unfolded and post office fresh, no gum as produced, NH, VF, Est. $150 -$200 (Image)

1919, red or blue Airplane overprints on 1½s blue and 3s rose, complete set of two, prepared for Tokyo - Osaka First Trial Flight, which did not be realize due to bad weather, full OG (3s stamp with some toning), F/VF, C.v. $1,300, Est. $400-$600 (Image)

1919, red Airplane overprint on 1½s blue used on unaddressed souvenir postcard, in addition reprint of a postcard prepared for Trial Flight Osaka - Tokyo, fresh and VF, Est. $250-$300 (Image)

GROUP OF FOUR ITEMS: 1919-25, Osaka Flight postcard of 1919, Tokyo to Le Bourget Flight cover of 1925 and two different souvenir postcards, minor flaws as always, F/VF, Est. $150-$200 (Image)

1905, Amalgamation of the Postal Services of Japan and Korea, 3s rose red, left sheet margin block of four, perfect quality, full OG, NH, VF, C.v. $440 as hinged singles, Sakura #C8, ¥124,000=US$1,100 as singles, Est. $400-$500 (Image)

1921, 50th Anniversary of Postal Service, 1½s-10s, complete set of four, nicely centered with bold fresh colors, full OG, NH, C.v. $330 as hinged, Sakura #C28-31, ¥91,400=US$825, Est. 300-$400 (Image)

1925, Silver Wedding issue, 1½s-20s, complete set of four, blocks of four, two with corner margins, full OG, NH, VF, C.v. $430 as hinged singles, Sakura #C38-41, ¥111,600=US$990, Est. $300-$400 (Image)

1936, 30th Anniversary of Japanese Administration of Kwantung Leased Territory, 1½s-10s, complete set of three, blocks of four, 3s with bottom left corner sheet margin, nice condition, full OG, NH, VF, C.v. $914 as hinged singles, Sakura #C65-67, ¥250,000=US $2,225 as singles, Est. $800-$1,000 (Image)