1928, First Flight Across the Adriatic, black 4-line overprint on 5q-3fr, complete set of seven, full OG, NH, VF, Mi #162-68, €450, Est. $150-$200 (Image)

1929, red brown overprint on Airplane Crossing Mountains, 5q-3fr, complete set of seven, perfect quality item, full OG, NH, VF and scarce, a little over 1000 complete sets possible, each stamp expertized by H. Sieger, Mi #210-16, €1,800, Est. $600-$800 (Image)

1931, Tirana - Rome Flight, double black overprint on 5q green and inverted overprint on 3fr purple, large part of OG, VF, each one with Kessler guarantee, 3fr in addition with Sanabria hs, C.v. $415 (Image)

1962, Yuri Gagarin's Space Flight, maroon overprints ''Posta Ajore'' on 50q-11L, complete set of three and the high value with double overprint, which is very scarce, full OG (Image)

1985, Basketball Championships, (80q) dull green, black color omitted (value and country name), top sheet margin block of four, full OG, NH, VF and scarce multiple, Mi #2271F, priced with ''-'', Est. $300-$400 (Image)

COLLECTION IN SCOTT SPECIALTY ALBUM: 1913-93, 260 mint stamps, 13 souvenir sheets and unissued imperforate 25c of 1914 in complete sheet of 50, postage, semi-postal, air post and postage dues of 1936-39, most value in the material of pre-WW II, several scarce sets in mint never hinged condition, inverted/shifted overprint/surcharges, nice starting unit, full/large part of OG, all Air Post and many others are NH, prorated C.v. is about $3,600, Est. $600-$800 (Image)

NICE GROUP OF SURCHARGES: 1922, 12 surcharged stamps of the Soviet issue, representing four pairs and four singles, including pairs of violet and black 300,000 on 5000r; then 8 stamps on perf and imperf stamps of the 1st Constantinople issue, neat condition, full OG, NH or LH, mostly VF, C.v. is close to $500, Est. $150-$200 (Image)

BALANCE OF A CONSIGNMENT: 1919-20, over 200 stamps, starting with unframed ''Z'' overprints and Monogram surcharges, including vertical pair of imperforate 100r/3.50r, 12 stamps of Paris issue with two imperforate or partly perforated blocks of 25r and 50r, used set of Star surcharges and 82 stamps bearing forged overprints/surcharges for references, nice quality unit, full/part of OG, F/VF, C.v. $400++ for legitimate material, Est. $200-$250 (Image)

1918 (August 1), Vienna-Lemberg (Lwiw) Pioneer Flight postcard, franked by 1.50k/2k lilac, 2.50k on 3k ocher and 4k gray, overprinted ''FLUGPOST'', complete set of three on white paper, ''2.VIII.18'' arrival ds, mostly VF, Est. $200-$250 (Image)

1959, International Hunting Council, 1s-3.50s, imperforate complete set of four, all with wide bottom margins, full OG NH, VF, ANK #1079-82U, €1,000 (Image)

1962, the Beethoven House, 2.20s green, right sheet margin block of four, imperforate vertically and horizontally between stamps, perforated 13¾ at top and bottom only, full OG, NH, VF and scarce multiple, not listed in the ANK Cat., Est. $300-$400 (Image)

1964, 2nd Parliamentary and Scientific Conference, 1.80s black and emerald, top right corner sheet margin horizontal imperforate pair, full OG, NH, VF, ANK #1182U, C.v. €800++ (Image)

1929 (April 23-25), Mediterranean Sea Flight two postcards to Sweden or Spain, first one is stationery card uprated by 3 values, the other one franked by 6 stamps, both tied by Vienna ''19.IV.29'' ds, Friedrichshafen connection and red flight cachet, the last one dropped at Seville ''25.ABR.29'', Sieger #24 var, Seville drop is not listed, Frost #127-19, C.v. $1,200, in addition 3 newspaper clippings about Austrian Flights (Image)

1918-22, King George V, 4s carmine and black, watermark Multiple Crown CA, broken Crown and Scroll variety, full OG, NH, VF, SG #52bb, £300 as hinged (Image)

1918-22, King George V, 5s carmine red and green on pale yellow, watermark Multiple Crown CA, broken Crown and Scroll variety, full OG, LH and fine single, SG #53db, £375 (Image)

1930 (May 24 - June 6), South America Flight postcard and cover, each one franked by air post semi-official stamps for Zeppelin Flights of 5000r green or 10,000r red, first one sent from Recife (28 MAI) to Friedrichshafen (receiver 6.6), the other one - from Rio (24 MAI) to Recife (26 MAI), flight cachet and arrival markings, mostly VF, Sieger #59A, B, Est. $200-$250 (Image)

1927, carmine Airplane surcharge 1L on 6L deep blue and pale lemon, horizontal pair imperforate between stamps, full OG, NH, VF and rare, Sanabria #1c, priced with ''...'' (Image)

1929 (October 16), Zeppelin Balkan and Silesia Flight cover from Sofia to Pforzheim, franked by 6L dark blue and pale lemon, tied by Sofia date stamp, the same day Zeppelin onboard marking, four-line cachet on reverse, mostly VF, Sieger #42-43 var, Est. $300-$350 (Image)

1932 (May 14), Strasbourg Exhibition Flight cover from Sofia, addressed to Paris, franked by Rila Monastery complete set of three, tied by red special Sofia date stamps, part of postal receipts seal and Paris ''23.V.32'' arrival marking, mostly VF, Est. $200-$250 (Image)

1971, 2nd European Track and Field Championships, 2st multicolored, vertical pair, bottom stamp has missing ''Pochta'' and incomplete colored background, full OG, NH, VF (Image)

Postage Due stamps. 1884, Numerals, 5st orange, 25st lake and 50st blue, complete set of three with lozenges perforation, large part of OG, VF and scarce, each stamp with experts' signs, C.v. $970 (Image)

1972, Wild Animals, 3r-10r, imperforate complete set of six, all are corner sheet margin singles, and set of six imperforate epreuves de luxe, full OG or no gum as issued, VF, Est. $150-$200 (Image)

1936, Matanzas issue, 1c-50c, complete set of eight trial color proofs, each one with a punch at bottom left (over the value) and black overprint ''Waterlow and Sons Ltd. Specimen'', full OG, NH, VF and scarce (Image)

1936, Centenary of the Birth of General Maximo Gomez, complete set of five trial color proofs, each one with a punch at bottom left and black overprint ''Waterlow and Sons Ltd. Specimen'', full OG, NH, VF (Image)

1928, 50th Anniversary of the British Rule, ¾pi- £1, complete set of ten, full/part of OG, mostly VF, C.v. $412, SG #123/32, £300 (Image)