1898-1913, Trans-Mississippi 10c gray violet (VLH), Louisiana Purchase 10c red brown (slight gum wrinkle, NH), Panama-Pacific 10c orange yellow (slightly uneven gum, NH), all with full OG, F/VF, C.v. $700 (Image)

1909, Hudson-Fulton Celebration, 2c carmine, left sheet margin imperforated plate No.5394 block of six (2x3), usual gum shortage on selvage, full OG, NH, VF, C.v. $375 (Image)

1912, Panama-Pacific Exposition, Golden Gate, photo essay of 2c for the design of 5c, size 35x22mm, mounted on card 95x72mm with circular marking ''Stamp Division. Feb. 21.1912. P.O. Dept.'' on reverse, minor card facial scratch, proof is not affected, still fresh and VF, C.v. $2,500 (Image)

1926, Battle of White Plains, 2c carmine rose, Philatelic Exhibition souvenir sheet of 25, plate No.18773, full OG (partially missing on the left and bottom margins), NH, mostly VF, C.v. $500 (Image)

1929, ''Kans.'' and ''Nebr.'' black overprints on Presidential definitives of 1926, 1c-10c, two complete set of 11 arranged on page from a Collection, full/large part of OG, F/VF, C.v. $482 (Image)

1920(c), Liberty, American Banknote Co. imperforate proofs of 2(c) in black, blue or green, four horizontal pairs on colored (3) or white paper, each one inscribed ''Experiment'' at top and ''Specimen'' at bottom, no gum as issued or full OG (green on white), NH, VF and very scarce group, Est. $500-$600 (Image)

1930, General von Steuben, 2c carmine rose, full OG, NH, PSE certificate, Superb 98, Spec. Grade C.v. $100 (Image)

1932, Washington Bicentennial, 2c carmine rose, full OG, NH, PSE certificate Superb 98, Spec. Grade C.v. $135 (Image)

1933, American Philatelic Society issue, Century of Progress, 1c deep yellow green and 3c purple, panes of 25, ten of each, no gum as produced, NH, VF, C.v. $400 (Image)

1938, John Tyler, 10c brown red, block of four printed on double paper, red splice line on front and scotch tape on top of gum side, full OG, NH, VF, Est. $150-$200 (Image)

1943, Flag of Czechoslovakia, 5c blue violet, blue, red and black, double impression of ''Czechoslovakia'', full OG, NH, VF, C.v. $600 (Image)