1907, Coat of Arms, 2ab deep blue, complete sheet of 18, containing three panes of six placed vertically with bottom one - upside down, forming three vertical tete-beche pairs, a part of ''Howard & Jones. London'' watermark, tiny natural inclusion on lower gutter, fresh and unfolded, no gum as issued, NH, VF, C.v. $540 without a premium for tete-beche pairs (Image)

1928, First Flight Across the Adriatic, violet black 4-line overprint on 5q-3fr, complete set of seven, full OG, NH, VF, each one with Elliott guarantee hs, Mi #162-68, C.v. €450 (Image)

1st Constantinople issue. 1921, 1r gray green, horizontal strip of three imperforate between middle and right stamps, full OG, NH, VF, Est. $200-$250 (Image)

1st Constantinople issue. 1921, 5r dark brown, top sheet margin vertical pair imperforate between stamps, full OG, NH, VF and scarce, Est. $200-$250 (Image)

1935, Airplanes over Landscapes, 5g-10s, complete set of 15, full OG, NH, VF, C.v. $150, ANK #598- 612, €240 (Image)

Pioneer Flights. SELECTION OF 6 COVERS: 1931-37, Dornier Do X Flying Boat Europe - South America Flight of 1931, Condor - Lufthansa Flights to Germany (3) and Netherlands, Zeppelin Flight postcard of 1937, all appropriate markings, generally nice condition, F/VF, Est. $200-$300 (Image)

1918, Tsar Ferdinand, imperforate plate proofs of 1st-10st, complete set of four, blocks of four printed on thin chalk-surfaced paper, no gum as produced, NH, VF and rare, Est. $800-$1,000 (Image)

1937, Famous People and Historical American Places, 1c-25c, 5c-20c and 10c x2, complete set of 23, postage, air post and special delivery, full OG, NH, mostly VF, C.v. $190 (Image)

1905, St. Thomas Harbor, 1fr, 2fr and 5fr, complete set of three high values, all are bottom right corner margin singles, full OG. NH, VF, C.v. $285 (Image)

1929, red surcharge with ''Provisional'' at 41 degree angle 50c on Colombia Air Post 10c green, horizontal pair, full OG, NH, VF, C.v. $250 as hinged singles (Image)

POSTAL STATIONERY ITEM: 1860, stationery envelope 5k blue, Arms of type I, pen-crossed oval stamp on flap of 10k carmine rose with pearls, size 144x114mm, fresh, unused and VF, Lappe #14B (Image)

Semi - Postal issues. 1934, Red Cross, Generals, 1¼m +10p, 2m+20p and 2½m+25p, complete set of three imperforate plate proofs of finished design in color of issued stamps, all with top sheet watermarked margins, no gum as produced, NH, VF and rare, no more then 100 proofs of each value were produced. These proofs were ''taken home without authorization'' by an employee and discovered many years after his death, Est. $200-$250 (Image)

Semi - Postal issues. 1937, Red Cross, Sailing Ships, 1¼m+15p, 2m+20p and 3½m+35p, complete set of three imperforate plate proofs of finished design in color of issued stamps, all with sheet watermarked margins, no gum as produced, NH, VF and rare, no more then 100 proofs of each value were produced. These proofs were ''taken home without authorization'' by an employee and discovered many years after his death, Est. $200-$250 (Image)

1931, inverted blue surcharge 1fr on Biplane over Casablanca 1.40fr brown lake, large part of OG, VF, expertized by Sanabria, APEX certificate, C.v. $310 (Image)

1919-22, 18 trial color imperforate proofs, including 2 for National Republic issue, 12 for Soviet issue and 4 for semi-postal issue, creamy, smooth or laid paper, no gum as produced, VF, Est. $500-$600 (Image)

Zeppelin Flight. 1931 (March 28-30), Hungary Direct and Return Flight postcards, franked by two or three air post values, including Zeppelin overprint on 1p orange, two different confirmation markings in blue or green, Budapest or Friedrichshafen receivers of March 29 or 30 respectively, VF, Sieger #102Aa, Ba, C.v. €300 (Image)

1858 (November 25), 10k brown and blue, perforation 14½x15, watermark numeral ''1'', used on entire wrapper from Libava (now - Liepaja) to Mitava (Jelgava), tied by rectangular ''239'' dotted cancellation, straight line entry marking and circular ''Noyab. 27. 58'' arrival ds, F/VF, C.v. $650 (Image)

1864, 3k black and green, 5k black and lilac, two values with perforation 12½, 3k has violet 2.5mm stroke at bottom and tiny inclusion at right, unused, F/VF appearance, C.v. $2,100 for hinged stamps (Image)

1871, entire wrapper from Chisinau to Vienna, postage paid in cash, upon arrival to the Russian border stamps of 1k, 3k and 10k on horizontally laid paper were applied and tied by black boxed ''Franco'' marking, several transits and arrival ds, wax seal removed, F/VF and scarce mailing, Est. $300-$400 (Image)

1875-82, 2k-20k, complete set of five, printed on horizontally laid paper, full OG, NH, VF, C.v. $558 (Image)

1906, Nicholas II, Louis E. Mouchon typo printing die proof (essay) in violet with face to the right, value tablet blank, printed on chalk-surfaced card, size 38x44mm, no gum as issued, VF and extremely rare, Est. $4,000-$5,000 . (Image)

1908-09, die proof of 10k in blue, printed on wove paper, size 34x40mm, penciled date ''2.VI.07'' in bottom right corner, no gum as produced, VF and very rare, Est. $2,000-$2,500 (Image)

LIBERTY CUP AND TSAR ABDICATION OVERPRINTS: 1917, 33 items, including 22 blocks of four, 5 blocks of eight, 5 blocks of twelve and 1 postcard, 5 blocks of four cancelled on pieces, some Trachtenberg reprints, minor duplication, generally fresh quality, mostly VF, Est. $500- $600 (Image)

OFFICIAL POSTAL LABELS: 1880-1900's, 36 mainly specially printed pieces (one - is a handstamp), 14 are representing various Banking Institutions, 5 - Post Offices, 5 - Local Administrations, 2 - Zemstvo, Clerical, Customs, Military and etc., occasional flaws, generally fresh and F/VF, Est. $300-$400 (Image)

Stationery Items. 1889-90, stationery postcard 3k red with double impression (one inverted), fresh and unused, VF and rare, Standard Cat. #PC12 var, Est. $300-$400 (Image)