1967, Alaska Purchase, 8c brown, block of four with two pre-printing paper folds and shift of vertical perforation, as well as horizontal strip of eight representing bottom part of pane with horizontal perforation shifted to the design, full OG, NH, VF, Est. $150-$200

100.00

1972, Kii Statue and Temple, 11c multi, bottom margin single with blue and green (litho) omitted, full OG, NH, VF, C.v. $425, Est. $150-$200

100.00

1973, Progress in Electronics, 11c multi, left sheet margin single with vermilion and olive (litho) colors omitted, full OG, NH, VF, C.v. $700, Est. $250-$300

150.00

1976, Flag, Airplane and Globe, 31c red, blue and black, top left corner sheet margin single with complete offset of the design on gum side, full OG, NH, VF, a common stamp is included

50.00

1978, Wright Brothers, 31c+31c multi, right margin vertical se-tenant pair in horizontal strip of five, litho colors are practically omitted, full OG, NH, VF, a common pair is included for comparison, Est. $250-$300

150.00

1978, Wright Brothers, 31c+31c multi, vertical se-tenant pair in top left corner margin horizontal strip of five, all litho colors are strongly shifted to the top left, full OG, NH, VF, Est. $250-$300

150.00

1978, Wright Brothers, 31c+31c multi, block of four vertical se-tenant pairs and extra pair of No.C92, six stamps in the middle with black instead of blue inscription (US Airmail 31c) at bottom, full OG, NH, VF and a spectacular item, Est. $500-$600

300.00

1978, Wright Brothers, 31c+31c multi, vertical se-tenant pair in transition horizontal strip of three, left stamp has all litho colors omitted, full OG, NH, VF and rare, according to Scott Errors Cat. only 15 pairs exist, Est. $800-$1,000

500.00

1982, Philip Mazzei, 40c multicolored, perforation 10½x11½, bottom left corner sheet margin plate No. block of 12, yellow, magenta, gray and light blue colors strongly shifted to the left, full OG, NH, VF and a spectacular item, Est. $500-$600

300.00

1980, Blanche Stuart Scott, 28c multicolored, left sheet margin plate No.39541 horizontal imperforated pair, full OG, NH, VF and rare, C.v. $2,000, Est. $800-$1,200

600.00

1983, Summer Olympics, 40c x4 multi, right sheet margin imperforated se-tenant block of four, full OG, NH, VF, C.v. $650, Est. $300-$400

200.00

1985, Lawrence and Elmer Sperry, 39c multi, bottom margin vertical imperforated pair, full OG, NH, VF and rare, according to Scott Errors Cat. only 25 pairs reported, C.v. $1,250, Est. $600-$700

350.00

1985, Trans-Pacific Airmail, 44c multi, top right corner sheet margin (ZIP) imperforated block of four, full OG, NH, VF, C.v. $1,200 as two pairs, Est. $500-$600

300.00

1985, Junipero Serra, 44c multicolored, top right corner margin vertical imperforated pair, full OG, NH, VF and scarce, C.v. $950, Est. $400-$600

300.00

1991, Harriet Quimby, 50c multi, left sheet margin block of four, imperforated horizontally, perfect condition, full OG, NH, VF and scarce, C.v. $1,800 as two pairs, Est. $700- $800

400.00