1973, Progress in Electronics, 11c multicolored, top right corner sheet margin plate No.34191 single with olive color completely omitted and vermilion color presented partly, full OG, NH, VF, PF certificate, C.v. $1,000 (Image)

1988, Igor Sikorsky, (36c) multicolored, red, dark blue and black (engraved) omitted, full OG, NH, VF and rare, a copy of PSE certificate for block of four, this being the top left stamp, a common stamp is included, C.v. $1,900 (Image)

2012, View of Lancaster County, PA, $1.05 multicolored, bottom left corner sheet margin plate No.S11111 vertical pair, die cutting omitted on front, perfect quality, backing paper intact, VF, C.v. $700 (Image)

1927, Motorcycle Delivery, 10c gray violet, horizontal pair imperforated between stamps, full OG, NH, F/VF, C.v. $575 (Image)

1879, Jackson, 2c vermilion, printed on soft porous paper, block of four, bottom stamps represent partial imprint from sheet margin due to significant shift of horizontal perforation, full OG (partially omitted at bottom margin), NH, fine and a spectacular item, PSE certificate, C.v. $1,480 as singles (Image)

1916, Washington, 7c black, perforation 10, printed on paper without watermark, nicely centered, full OG, NH, VF/XF, PSAG certificate, grade 85, Scott Spec by Grade C.v. $350 (Image)

1923, Capitol, $2 deep blue, top sheet margin arrow horizontal pair, full OG, NH (right stamp with slightly disturbed gum), close to VF, C.v. $240 as singles (Image)

1929, ''Kans.'' and ''Nebr.'' overprints on regular issue of 1922-25, 1c-10c, two complete sets of 11, well above average centering, full OG, NH (about a half stamps) or LH/hinged, F/VF, C.v. $481.50 (Image)

1975, Pioneer 10 Passing Jupiter, 10c multicolored, dark blue (engraved) color omitted, full OG, NH, VF, C.v. $450 (Image)

1978, Wildlife Conservations, Owls, 15c multicolored, se- tenant block of four, all offset colors are strongly shifted to the top right, full OG, NH, VF and an eye-catching item (Image)

1991, Fishing Flies, 29c multicolored, bottom margin block of ten contains two vertical se-tenant strips of five, imperforated vertically and at the bottom full OG, NH, VF, according to Scott this item came from a printer's waste (Image)

1991, South West Asia Service Medal, 29c multicolored, wide 20.5mm, booklet stamp, block of four supposedly from ABN printer's waste, imperforated horizontally, full OG, NH, VF (Image)

1991, Jan E. Matzeliger, 29c multicolored, vertical pair imperforated horizontally, full OG, NH, VF, PF certificate, C.v. $550 (Image)

1991. Jan E. Matzeliger, 29c multicolored, horizontal imperforated pair, full OG, NH, VF, PF certificate, C.v. $275 (Image)

1992, Love, 29c multicolored, bottom sheet margin block of four, imperforated vertically, full OG, NH, VF, PSE certificate, C.v. $600 as two pairs (Image)

1998, Uncle's Sam Hat, H-rate, (33c) multicolored, self- adhesive coil stamp with die cut 9.9 vertically, red color omitted, blue and gray colors are shifted to the bottom right as always exist, backing paper is intact, VF, according to Datz the only roll of 100 exists, C.v. $300++ (Image)