United States

2354a, Mint NH With White Color Shifted WAY UP Error Plate Block * Stuart Katz

$70.50

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1435a, MNH 8¢ - Paper Fold Makes MASSIVE Color Shift Error PB - Stuart Katz

$141.00

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2088, 20c DOUGLAS FAIRBANKS - RARE MISPERFED ERROR - WOW

$29.03

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1150, Mint NH 4¢ Large Misperfed Freak Error Pair * Stuart Katz

$28.20

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1287, Mint NH 13¢ JFK - Large Misperf Error * Stuart Katz

$28.20

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3632a, Mint NH 37¢ Die Cutting Omitted Pair Error * Stuart Katz

$25.38

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1329, Mint NH 5¢ Large Misperf Error Margin Stamp * Stuart Katz

$23.50

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1472, Mint NH 8¢ Color Shift Error Plate Block * Stuart Katz

$28.20

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1949a, Misperforated Error Booklet Pane of 10 - Mint NH - Stuart Katz

$28.09

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3477, MNH 34¢ Liberty Misperforation ERROR Strip of 5 of Stamps - Stuart Katz

$28.20

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1286 Var, Strange misperforation error strip makes for different stamp sizes

$28.09

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1197, Mint NH 4¢ Louisiana Misperforated ERROR Pair - Stuart Katz

$18.79

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2103, Mint NH 20¢ Misperf Error Pair Shows "EE" MARKINGS - RARE!

$28.20

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1758, MNH 15¢ Perfs Shifted Freaky Error With PL# * Stuart Katz

$28.15

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2195, Mint NH $2 Large Perforation Shift Freak Error Pair * Stuart Katz

$28.20

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2412, Mint NH 25¢ LARGE GOLD COLOR SHIFT ERROR With Normal - Stuart Katz

$29.03

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1527, Mint NH 10¢ Large Misperforation Error - Stuart Katz

$28.20

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1822, Misperf Error 15¢ Block of Four Stamps With Normal Mint NH - Stuart Katz

$23.50

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1118, Mint 8¢ MISPERF & BLUE COLOR SHIFT ERROR

$24.91

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1526, 10¢ Large Misperforation Error Robert Frost Mint NH - Stuart Katz

$23.50

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1510, Mint NH 10¢ Misperfed ERROR Block of Ten Stamps - Stuart Katz

$28.09

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1356, Mint NH 6¢ Green Color Shift Freak Error With Normal * Stuart Katz

$23.50

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1525, Mint NH 10¢ Misperforation Error With Normal - Stuart Katz

$28.20

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1284, Mint NH 6¢ Scarce Misperfed Error Block of Four Stamps - Stuart Katz

$28.20

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2533, MNH Vermont 29¢ Perfs Shifted Freaky Error * Stuart Katz

$26.27

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C81, Mint NH 21¢ Drastic Color Shift ERROR With Normal - Stuart Katz

$28.20

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805b, "Used" VF Original Gum NH Imperforate Between Pair Error -- Stuart Katz

$23.50

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1287 Mint NH 13¢ Kennedy - Misperforated Error - Stuart Katz

$28.20

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1036a, Mint NH With 60% Of PL# 26956 Captured Error - Stuart Katz

$28.20

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1237, Mint NH 5¢ Large Perf Shift Margin Copy Error - The Sciences - Stuart Katz

$28.15

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1150, Mint NH 4¢ Misperfed Error With Normal * Stuart Katz

$23.50

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1326, Mint NH 5¢ Two Way Misperf Error With Normal - Stuart Katz

$28.20

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1947, 20¢ "C" Misperfed Error Coil Strip Of Four Stamps + Stuart Katz

$23.50

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1563, Mint NH 10¢ Large Misperforation Error - Stuart Katz

$28.20

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2145, Mint NH 22¢ Ameripex Large Color Shift Error - Stuart Katz

$28.09

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2065, Mint NH 20¢ Large Misperforation Error - Stuart Katz

$28.20

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2073, Mint NH 20¢ - Misperf Error Showing Gutter * Stuart Katz

$28.20

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1280, MNH 2¢ MASSIVE Perforation Shift Error Pair - Stuart Katz

$28.15

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2065, Mint NH 20¢ Large Misperforation Error -- Stuart Katz

$28.20

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1193, Mint NH 4¢ 99% of Yellow Color Missing Error With Normal - Stuart Katz

$28.20

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1617, Mint NH 10¢ Stunning Misperforated ERROR Block - Stuart Katz

$23.50

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C86, Mint NH 11¢ Black Color Shifted Freak Error With Normal - Stuart Katz

$28.20

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1375, Mint NH 6¢ Scarce Misperfed Error Strip of Three - Alabama * Stuart Katz

$23.45

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2998, Mint NH 60¢ With Large Color Shift Error - Stuart Katz

$23.50

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1934, Large Misperf Error 18¢ Remington Stamp Mint NH * Stuart Katz

$28.20

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1478, Mint NH 8¢ Scarce Misperfed Error Block * Stuart Katz

$23.50

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1479, Fantastic Color Shift Down Freak Error Mint NH 8¢ * Stuart Katz

$28.09

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1007, Mint NH 3¢ Misperf, Freak Error Block of Four * Stuart Katz

$23.45

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1281, 3¢ Pair With Down The Middle Misperforation Error Mint NH * Stuart Katz

$28.20

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1846, RARE MISPERFORATION ERROR PAIR - 3¢ HENRY CLAY

$24.91

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1904a, Mint NH Miscut Coil Pair Error - Stuart Katz

$23.45

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2112a, Mint NH 23¢ - Imperforate Error Pair With Normal - Stuart Katz

$23.50

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1894 Variety, Mint NH 20¢ Flag With Blue Stars ERROR - Stuart Katz

$23.50

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C92a, Mint NH 31¢ MAJOR Color Shift Error Pair - Stuart Katz

$28.20

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2412, MNH 25¢ Stamp With Scarce Gold Color Shift ERROR & Normal - Stuart Katz

$28.20

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1726 Misperforated ERROR Pair - 13¢ Bicentennial - Mint NH - Stuart Katz

$28.20

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1753, MNH 13¢ Large Misperf Showing Gutter Freak Error - Stuart Katz

$23.49

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1323, Mint NH 5¢ Misperfed Error - Right Down The Middle * Stuart Katz

$23.50

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1333, Mint NH 5¢ Scarce Misperfed Error Pair - Better Cities - Stuart Katz

$26.27

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1822, Misperf Error 15¢ Block of Four Stamps With Normal Mint NH -- Stuart Katz

$23.50

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1608, Mint NH 50¢ Large Misperforation Error Stamp - Stuart Katz

$28.20

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1035, Mint NH 3¢ HUGE Misperfed Error Block of Four * Stuart Katz

$23.45

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1756, Mint NH 15¢ HUGE Misperforation Error George Cohan - Stuart Katz

$26.27

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1142, MNH 4¢ Sensational Perf Shift Error Pair - Stuart Katz

$28.15

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2041, Mint NH 20¢ Misperfed Error Brooklyn Bridge Stamp * Stuart Katz

$23.45

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1356, Mint NH 6¢ Outrageous Green Color Shift Freak Error * Stuart Katz

$23.50

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C81, Mint NH 21¢ - Large Color Shift Error - Airmail Stamp - Stuart Katz

$23.50

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1789, Dramatic Color Shift Error With Normal Stamp Mint NH - Stuart Katz

$23.50

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1485, Mint NH 8¢ Misperfed Error Pair Robinson Jeffers - Stuart Katz

$28.20

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1690, 13¢ Fantastic Large Color Shift Error With Normal * Stuart Katz

$28.20

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1758, MNH 15¢ Perfs Shifted Freaky Error With PL# ** Stuart Katz

$28.15

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1237, Mint NH 5¢ Misperforation Error With Normal * Stuart Katz

$23.50

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1436, Mint NH 8¢ Emily Dickinson Color Shift ERROR With Normal -- Stuart Katz

$23.50

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1557, Mint NH 10¢ Black Color Shift Right Freak Error - Stuart Katz

$28.20

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1615Ce, Mint VF NH 8.4¢ Imperforate Between Error - Stuart Katz

$23.50

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1608, Mint NH 50¢ Dramatic Black Color Shift Error Margin Copy - Stuart Katz

$28.20

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1455, Mint NH 8¢ Nice Black Color Shift Error Strip of Five Stamps - Stuart Katz

$28.20

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2010, Mint NH 20¢ Misperforation Error Pair * Stuart Katz

$28.20

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1473, MNH 8¢ - Spectacular Color Shift Error Plate Block - Stuart Katz

$517.00

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1841a, Mint NH 15¢ - BIG Misperf Shift Error Block W/Normal - Stuart Katz

$23.45

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1473, MNH 8¢ - Spectacular Perforation Shift Error Plate Block - Stuart Katz

$329.00

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730-31, MNH VF WHOLESALE - 10 X Sets Souvenir Sheets SCV $400.00 * Stuart Katz

$159.95

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1529, MNH 10¢ - Spectacular Color Shift Error Plate Block - Stuart Katz

$376.00

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751, MNH VF WHOLESALE - 19 X Souvenir Sheets SCV $265.00 * Stuart Katz

$115.00

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1557, MNH 10¢ - Large Red Color Shift Error Plate Block -- Stuart Katz

$235.00

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1474, MNH 10¢ - Spectacular Color Shift Error Plate Block - Stuart Katz

$282.00

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1555, MNH 10¢ - Spectacular Color Shift Error Plate Block - Stuart Katz

$329.00

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751, MLH VF WHOLESALE - 6 X Souvenir Sheets SCV $60.00 * Stuart Katz

$25.00

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1557, MNH 10¢ - Large Red Color Shift Error Plate Block - Stuart Katz

$235.00

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C90, MNH 31¢ - Spectacular Perforation Shift Error Plate Block of 6 Stuart Katz

$465.30

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634, Mint NH 2¢ - Misperforated Error Block of Four - Stuart Katz

$18.75

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Sunflower Bouquet Sheet of Twenty 2 Ounce Current Rate Stamps Scott 5682

$25.27

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2281i, 25¢ Pair With Black Litho Color Omitted Error * Stuart Katz

$70.50

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1903b, Mint NH 9.3¢ - Imperforate PL# 1 In Strip of Six SCV $1250 * Stuart Katz

$799.00

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1455, Mint NH 8¢ - Very Dramatic Orange Color Shift Error - Stuart Katz

$47.00

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571, Mint VF NH $1 Plate Block of Six Stamps Cat $525.00 - Stuart Katz

$350.00

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