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)