1868, Washington, 3c red, F grill, block of four, some usual gum creases, usual centering, still fresh, full OG, top pair is hinged, bottom one appears NH, C.v. $3,000 as hinged (Image)

1895, Washington, 2c carmine, type II, left sheet margin plate No.126 vertical strip of three, selvage inscription of type IV, nice centering and post office fresh, full OG, NH, VF, C.v. $375++ (Image)

1922, Theodore Roosevelt, 5c dark blue, top sheet margin plate No. 14069 block of six, nicely centered with jumbo margin at top, full OG, NH, VF, C.v. $375 (Image)

1923, Grant, 8c olive green, right sheet margin plate No.16450 block of six, full OG, top right stamp is LH, all others - NH, VF, C.v. $575 (Image)

1923, Monroe, 10c orange, top sheet margin plate No. F15277 block of six, full OG, NH, fine, C.v. $400 (Image)

1922, Niagara Falls, 25c yellow green, top sheet margin plate No. 17445 block of six, full OG (slightly disturbed at margin only), NH, F/VF, C.v. $425 (Image)

1922, Arlington Amphitheater, 50c lilac, left sheet margin plate No.17479 block of six, a spectacular pre-printing paper fold at the bottom left stamp, full OG, NH, VF, C.v. $750 (Image)

1931, regular issue of rotary press printing, 11c-50c, complete set of ten, perforation 11x10½ or 10½x11, very-well centered blocks of four, full OG, NH, VF/XF, C.v. $550 as singles (Image)

1933-34, American Philatelic Society and National Stamp Exhibition issues, 1c green and 3c purple, souvenir sheets of 25, 3c dark blue, souvenir sheet of six, ten examples of each, no gum as issued, NH, VF, C.v. $500 (Image)

1934-35, National Parks issue, 1c-10c, perforated and imperforated complete sets of ten in plate No. blocks of six, first one with full OG, the last one - no gum as issued, both are NH and VF, C.v. $355 (Image)

1934, American Philatelic Society and Trans-Mississippi Exposition issues, 3c purple and 1c green, two souvenir sheets of six, ten pieces of each, full OG, NH, VF, C.v. $450 (Image)

1938, Warren Harding, $2 green and black, top sheet margin plate No.22121and 22122 block of eight, portrait strongly shifted to the top left, several spots of gum skip and gum irregularity at two lower left stamps, nice quality otherwise, full OG, NH, VF and a nice item (Image)

1969, Folklore issue, 6c multicolored, horizontal pair imperforated between stamps, full OG, NH, VF, C.v. $140 (Image)

1972, Stamp Collecting, 8c multicolored, right sheet margin single with black litho color omitted, full OG, NH, VF, C.v. $325 (Image)

1974, Skylab Space Station, 10c multicolored, two singles, first one with right sheet margin has all engraved colors strongly shifted to the right, the other one has shifted litho black and yellow colors to the top, full OG, NH, VF and a spectacular couple (Image)

1975, Mariner 10, Venus and Mercury, 10c multicolored, two singles, one has red color omitted, the other one has black engraved color strongly shifted to the bottom, full OG, NH, VF, C.v. $275 for the first item (Image)

1984, Christmas issue, Madonna and Child, 20c multicolored, horizontal imperforated pair, left stamp with slight vertical crease as often exists, full OG, NH, VF and rare, C.v. $1,400 (Image)

1989, Ernest Hemingway, imperforated proof of 25c multicolored in horizontal pair, left stamp has hairline gum wrinkle, excellent condition, full OG, NH, VF and very scarce, C.v. $2,000 (Image)

1989, 20th UPU Congress, Historical Mail Delivery, (25c) multicolored, top sheet margin inscribed se-tenant block of four, dark blue color omitted, full OG, NH, F/VF, C.v. $300 (Image)

1990, Dwight D. Eisenhower, imperforated proof of 25c multicolored, vertical imperforated pair, full OG, NH, VF, C.v. $875 (Image)

1990, Christmas Tree, 25c multicolored, top right corner margin vertical strip of three, imperforated horizontally, full OG, NH, VF, C.v. $500 for vertical pair (Image)

1991, District of Columbia Bicentennial, 29c multicolored, complete pane of 50 (5x10) with black engraved color significantly shifted to the bottom, resulting in top five stamps have value omitted, all others have ''29'' at top instead of bottom, full OG, NH, VF and scarce item (Image)

1991, White Headed Eagle, $2.90 multicolored, plate No. A8468 left margin block of four with strong shift of horizontal perforation, full OG, NH, VF (Image)

1991, White Headed Eagle, $2.90, nine imperforated stage proof top sheet margin horizontal gutter pairs, in magenta, yellow, blue, black and combinations of that colors, full OG, NH, VF and very rare, C.v. $3,150 for single proofs, no prices mentioned for gutter pairs (Image)

1991, White Headed Eagle, perforated proof of $2.90 multicolored in complete design, horizontal pair with gutter in the middle, full OG, NH, VF, this item is not priced in the Cat. (Image)