Scott 95 / 6, 1867, 5 C. "jefferson" and 10 C. "Washington", both grill impression, together on piece, perforation fault, very fine, $ 1150 (Image)

Scott 97, 1861, 12 C. "Washington", grill impression, without gum, superb, signed Hartmann, $ 1100.- (Image)

Scott 238, 1893, 15 C. "Columbus world exhibition", gum not original, superb, $ 225 (Image)

1934, picture postcard from Byrd Antarctic expedition: "Greetings from. ", with different postmark and signatur from Robert A. English, superb (Image)

Scott 546, 1921, 2 C. "Washington", unwatermarked, perforated L 11, rotary printing (W2), rest of hinges, superb, $ 105 (Image)

Scott 560, 1923, 8 C. "Grant" in the block of four, the lower pair mint never hinged, superb (Image)

Scott 570, 1931, 50 C. "monument of the unknown soldiers" block of four, mint never hinged, superb (Image)

Scott 584, 1925, 3 C. "lincoln", perforated L 10, in the plates block of four, the two of them lower values mint never hinged, superb (Image)

Scott 591, 1925, 10 C. "Monroe", perforated L 10, block of four, mint never hinged, superb (Image)

Scott 645 / 6, 1928, "Valley Forge" and "Monmouth", always in the mint never hinged element, superb, $95. (Image)

Scott 647 / 8, 1928, "Hawaii" in block of four with plate numbers, mint never hinged, superb, $ 650 (Image)

Scott 654 / 5, 1929, 2 C. "edison" and "Sullivan", always in mint never hinged block of six with plate number, superb, $ 77.50 (Image)

From Scott 1633-2838, 1976-94, 8 various mint never hinged sheet respectively double units, almost only superb condition, $ 264.50 (Image)

Scott C 21 / 2, 1937, "Manila Hong Kong" in block of four, very fine set mint never hinged, $ 90 (Image)

1929, park city, Utah, snowstorm crash mail, 2 covers, in each case with a catastrophes cancel, very fine (Image)

1.7.1924, 8 C. On Trouis Continentalnachtflugbrief "NEWARK CHICAGO" with adhesive label "Via Airplane", superb, Müller 194 d (Image)

20.5.1928, first transatlantic flight East-west, USA welcome flight, superb (Image)

1928, 2 C. "cross-country Aeronautic conference" (3 x Michel number 314) with the rarely brothers Wright privat overprint "KITTY HAWK N. C. " on air mail letter, superb (Image)

1936 / 8, "brothers Wright" - first flight anniversary 17.12.1903, 2 Wright Memorriam flight letters, in addition to it 2 private Wright remember sheets, superb (Image)

1936 / 43, "brothers Wright anniversary", 2 air mail letters with special cachets to the presidents Roosevelt, with enclosed lot folder of the Harmer auction 1946, New York, superb (Image)

1934-52, interesting lot of 7 partly better documents, condition varies, inspect! (Image)

1898, patriotically letter with machinery cancel from jacksonville / Florida and letter contents from the camp "camp Cuba Libre", very fine (Image)

1919, Field postal service oval rhombus "U. S. ARMY POSTAL SERVICE / No. 770" and US censorship cancel with notation of the military Preceded on Field postal service printed form letter "AMERICAN / Y. M. C. A. " and "SOLDIER`S MAIL", very fine (Image)

1929, single circle postmark "U. S. Navy CORPS port AU PRINCE" on Field airmail letter from Haiti, superb (Image)

1931, fieldpost letter with 15 C. "airmail stamp" tied by cancel of the 5. Navy-regiment, from Managua / Nicaragua to California / USA, superb (Image)