1901, Pan-American Exposition issue, 1c green and black, bottom sheet margin plate No.1139 block of six with imprint, full OG, three stamps are NH, others - hinged, F/VF, C.v. $300 (Image)

1903, Grant, 4c brown, top sheet margin horizontal plate No. 1480 strip of three with imprint, full OG, NH, F/VF, C.v. $450 (Image)

1904, Louisiana Purchase, 1c green, top sheet margin plate No.2138 block of six with imprint, fresh color and paper, full OG, NH and fine item, C.v. $600 (Image)

1904, Louisiana Purchase, 2c carmine, bottom sheet margin plate No.2166 block of six with imprint, nice quality item, full OG, NH, F/VF, C.v. $600 (Image)

1909, Lincoln Birth Centenary, 2c carmine, bottom sheet margin plate No.4981 block of six with imprint, strong color, full OG, NH, F/VF, C.v. $275 (Image)

1916, Washington, 3c violet, type I, horizontal joint line pair of coil stamps, perforated 10 vertically, nice and fresh, full OG, NH, VF, PSE certificate, C.v. $2,600 (Image)

1916, Washington, 5c carmine, perforation 10, vertical pair of errors in 2c block of 12, natural straight edge at the bottom, nice and appealing item with perfect centering, full OG, NH, VF/XF, PF certificate, C.v. $2,900 (Image)

1917, Washington, 3c light violet, type I, bottom sheet margin vertical pair imperforated horizontally, excellent color and large margins, full OG, top stamp is LH, bottom - NH, fine as always exists and scarce error, only 25 pairs recorded, C.v. $2,100 (Image)

1917, Washington, 5c rose, perforation 11, vertical pair of errors in block of 12 as a part of 20-block (5x4), natural straight edge at the bottom, nicely centered, full OG, NH (hinged at the lower right block of four), VF, C.v. $1,850++ (Image)

1922, Garfield, 6c red orange, top sheet margin plate No.F14973 block of six, bold color, full OG, NH, F/VF, C.v. $600 (Image)

1923, Jefferson, 9c rose, left sheet margin plate No.15259 block of six, nice and flawless, full OG, NH, VF, C.v. $375 (Image)

1923, Golden Gate, 20c carmine rose, top sheet margin plate No.17428 block of six, full OG, NH, fine, C.v. $400 (Image)

1923, American Buffalo, 30c olive brown, bottom sheet margin plate No.14436 block of six, full OG, NH and fine, C.v. $475 (Image)

1923, Lincoln Memorial, $1 violet brown, top sheet margin arrow horizontal pair, perfectly centered, full OG, NH, VF, C.v. $150 (Image)

1923, US Capitol, $2 deep blue, top sheet margin plate No.F14306 block of six, proof-like color, full OG, NH, fine, C.v. $1,000 (Image)

1975, D. W. Griffith, 10c multicolored, brown (engraved) color omitted, top right corner margin block of four, full OG, NH, VF, PSE certificate, C.v. $1,800++ (Image)

1983, Motorcycle, 5c gray green, coil stamp, horizontal imperforated pair, full OG, NH, VF and scarce, according to Datz only 32 pairs exist, C.v. $1,750 (Image)

1982, International Peace Garden, (20c) multicolored, black engraved color omitted, full OG, NH, VF, a common stamp is enclosed, C.v. $200, which is strongly undervalued (Image)

1987, Certified Public Accounting, (22c) multicolored, black engraved color omitted, bottom sheet margin single, full OG, NH, VF, a common stamp is included, C.v. $425 (Image)

1990, Bobcat, ($2) multicolored, black engraved color omitted, top right corner sheet margin plate No. block of four, centered to the top, full OG, NH and fine, Datz C.v. $1,000 as a plate No. block, Scott C.v. $800 as four singles (Image)

1991, District of Columbia, (29c) multicolored, black engraved color omitted, plate No.1212 bottom left corner margin block of four, full OG, NH, VF, C.v. $380++ (Image)

1992, Bicentennial of NYSE, 29c green, red and black, center (black engraved color) is inverted, flawless condition, full OG, NH, VF (PSE certificate, graded VF-80), C.v. $17,000 (Image)

1993, Horse Racing, (29c) multicolored, se-tenant block of four with black (engraved - USA and 29c) color omitted, full OG, NH, VF and undervalued error, C.v. $500 (Image)

1994, Christmas, Stocking, 29c multicolored, right sheet margin plate No.44444 block of four contains two vertical pairs imperforated between stamps, full OG, NH, VF, C.v. $250 (Image)

1996, Year of the Rat, imperforated 32c multicolored, bottom right corner sheet margin plate No.S1111 vertical pair, full OG, NH, VF, C.v. $550 (Image)