1964, Fine Arts, 5c ultra, black and dull red, offset of black color on reverse, bottom right plate No. 27937/27940 block of four, both right stamps have complete offset, while two left ones - partial, lower left stamp is defected, still fresh, full OG, NH, VF and a spectacular item, Est. $150-$200 (Image)

1965, Christmas issue, Angel with Trumpet, 5c carmine, olive green and bister, vertical gutter block of four with margin at bottom, fresh and unfolded, full OG, NH, VF, C.v. $800 as two gutter pairs, Est. $300-$400 (Image)

1966, definitive issue, Lincoln 4c black, horizontal imperforated pair of coil stamps, full OG, NH, VF, C.v. $400, Est. $150-$200 (Image)

1971, definitive issue, Flag and White House, top sheet margin plate No. and ZIP block of 20 (10x2), horizontal perforation strongly shifted to the bottom (approximately 12mm), representing 30 instead of 20 Flags on this unit, full OG, NH, VF and a spectacular item, Est. $400-$500 (Image)

1968, Walt Disney, (6c) multicolored, bottom right corner margin ZIP single with ocher omitted (Walt Disney, 6c and etc.), full OG, NH, VF, C.v. $300, Est. $100-$150 (Image)

1968, Waterfowl Conservation, 6c multicolored, vertical pair imperforated between stamps, full OG, NH, VF, C.v. $250, Est. $100-$150 (Image)

1968, Waterfowl Conservation, 6c multicolored, a single with red and blue colors omitted, full OG, NH, VF, a common stamp is included, C.v. $350, Est. $150-$200 (Image)

1969, Christmas, 6c green and multi, light green color omitted, top sheet margin plate No. block of ten (5x2), full OG, NH, VF, C.v. $300, Est. $100-$150 (Image)

1969, Christmas issue, 6c green and multi, inverted green Baltimore, MD pre-cancel, perfect centering, full OG, NH, VF, C.v. $225, Est. $100-$150 (Image)

1969, Christmas issue, 6c green and multi, inverted black Atlanta, GA pre-cancel, nice and post office fresh, full OG, NH, VF, C.v. $500, Est. $250-$300 (Image)

1971, Eisenhower, 8c black, red and blue gray, three-side margin plate No.32769 block of 20 (10x2, top part of a pane), vertical perforation is slightly shifted to the right, while horizontal one - strongly misplaced, resulting in 8 stamps at top has red and blue gray colors missing, full OG, NH, VF and very scarce, especially in positional multiple, the stamp not priced in Scott, Est. $800-$1,000 (Image)

1971, John Sloan, Painter, 8c multicolored, right sheet margin (USPS message) horizontal pair, right stamp has red engraved color missing (John Sloan and ''8'') due to significant shift of all engraved colors to the bottom left, full OG, NH, VF, Datz evaluates this error as rare, C.v. $1,000, Est. $500-$600 (Image)

1972, Tom Sawyer, (8c) multicolored, black and red (engraved) colors omitted, full OG, NH, VF, C.v. $800, Est. $250-$300 (Image)

1972, Stamp Collecting, 8c multicolored, right sheet margin single with black litho color omitted, full OG, NH, VF, C.v. $325, Est. $100-$150 (Image)

1973, Nicolaus Copernicus, (8c) black and orange, bottom margin single with just tiny splashes of black color presented, full OG, NH, VF, a common stamp is enclosed, Est. $120-$150 (Image)

1973, Progress in Electronics, 8c multicolored, a single with tan (background) and lilac colors omitted, full OG, NH, VF, Datz mentioned that only 50 stamps exist, C.v. $600, Est. $250-$300 (Image)

1973, Progress in Electronics, (15c) multicolored, left sheet margin single with black engraved color omitted (all inscriptions and denomination), full OG, NH, VF, C.v. $850, Est. $350-$400 (Image)

1973, Christmas Tree, 8c multicolored, bottom sheet margin vertical strip of three, imperforated between first and second stamps, full OG, NH, VF, C.v. $225, Est. $100-$150 (Image)

1973, Jefferson Memorial, 10c blue, bottom left corner sheet margin block of four, imperforated horizontally, control markings on the left selvage, full OG, NH, VF, C.v. $600 as two pairs, Est. $250-$300 (Image)

1974, Liberty Bell, 6.3c brick red, horizontal imperforated pair of coil stamps, pre-cancelled ''Garden City N.Y.'', full OG, NH, VF, PSE certificate, C.v. $850, Est. $350-$400 (Image)

1974, Veterans of War, 10c red and dark blue, two singles (formerly top left corner vertical pair), one with dark blue color missing, the other one has blue inscription above red one due to strong shift of horizontal perforation, full OG, NH, VF, C.v. $350++, Est. $200-$240 (Image)

1974, Horses Rounding Turn, 10c yellow and multi, right sheet margin single with blue ''Horse Racing'' omitted, in addition red color (US Postage 10 cents) shifted to the top, full OG, NH, VF, C.v. $650++, Est. $250-$300 (Image)

1974, Minerals, 10c x4, se-tenant block of four with light blue and yellow (litho) colors omitted, full OG, NH, VF, C.v. $900, Est. $300-$400 (Image)

1974, Energy Conservation, 10c multicolored, a single with blue and red colors omitted, perfect centering, full OG, NH, VF, a common stamp is included, C.v. $400, Est. $150-$200 (Image)

1974, Energy Conservation, 10c multicolored, top left corner margin plate No.35107 single with green and red colors omitted, full OG, NH, VF, C.v. $275, Est. $100-$150 (Image)