United States

1526, Mint NH 10¢ Misperfed Error Stamp With Snipe * Stuart Katz

$23.45

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1705, Large Color Shift Major Error With Normal Stamp Mint NH - Stuart Katz

$23.45

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1863 Var, Miscut Error Strip of 3 Almost an Imperf Pair Mint NH - Stuart Katz

$23.45

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2890, MNH 32¢ PL# A1112 Misperf Strip of Five Freak Error * Stuart Katz

$23.45

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1408, 6¢ Large Misperf Error Mint NH Stone Mountain - Stuart Katz

$23.45

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1284, Mint NH 6¢ Misperfed Error Block of 6 Stamps * Stuart Katz

$23.45

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1935, Mint NH 18¢ Misperf Shift Block Freak Error * Stuart Katz

$23.45

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1711, Mint NH Fantastic Misperf Error 13¢ Colorado - Stuart Katz

$23.45

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2635, Mint NH 29¢ Denomination Color Shifted Up Freak Error * Stuart Katz

$18.79

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1936 Color Shift ERROR pair - 20¢ James Hoban - Mint NH - Stuart Katz

$23.45

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1632, Mint NH 13¢ HUGE Color Shift Error * Stuart Katz

$18.79

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1392, Mint NH 6¢ Nice Misperforated Error Freak Block * Stuart Katz

$23.45

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2453, Mint NH 5¢ Misperforation Error Coil Strip of Five * Stuart Katz

$18.79

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1594, Mint NH 12¢ Drastic Misperf Error Pair - Stuart Katz

$23.45

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1419, UNITED NATIONS RARE COLOR SHIFT ERROR

$20.64

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1271, Mint NH 5¢ MAJOR BLACK COLOR SHIFT ERROR Stuart Katz

$23.39

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1578a, Mint NH 10¢ Perforation Shift Zip Block of Four Freak Error * Stuart Katz

$23.45

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2141a, MNH 22¢ Decoys Misperfed Block of 16 Stamps Freaky Error - Stuart Katz

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1744, Mint NH 13¢ Large Color Shift Error Harriet Tubman W/Normal - Stuart Katz

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1290, 25¢ Scarce Misperfed Error Pair Frederick Douglas Mint NH - Stuart Katz

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1280, Mint NH 2¢ Misperfed Error Plate Block of Four - Stuart Katz

$23.45

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1340, MNH 6¢ White Color Shift Freak Error With Normal * Stuart Katz

$23.45

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1164, MNH 4¢ - Perfs Shifted Freaky Error With Normal * Stuart Katz

$23.45

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1036, Mint NH 4¢ Pair - Dramatic Misperforation Error - Stuart Katz

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1436, Perf Shift Freak Error Block Mint NH 8¢ Emily Dickinson * Stuart Katz

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1035a, Mint LH 3¢ Massive Miscut Error Booklet Pane - Stuart Katz

$23.45

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1823, Mint NH 15¢ Large Perf Shift Error - Emily Bissell - Stuart Katz

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1284 Misperforation Error Makes For Nice Change of Design Block/6 - Stuart Katz

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2082, Mint NH 20¢ Margin Misperforation Error * Stuart Katz

$18.79

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702, Red Cross Shifted In All Four Positions Mint NH -**- Stuart Katz

$23.45

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982, Mint NH 3¢ Misperforated Error Washington/Lee With Normal - Stuart Katz

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2443, MNH 15¢ Double Seagulls Color Shift Error Pair W/Normal - Stuart Katz

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1470, Mint NH 8¢ - Color Shift Error Block of Six - Stuart Katz

$18.79

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1432, Mint NH Color Shift Error 8¢ Bicentennial Stamp - Stuart Katz

$23.45

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1115, MNH 4¢ Misperf Shift Freak Error Lincoln-Douglas Debate - Stuart Katz

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1505, Mint VF NH 10¢ Black Color Shifted to the Left Error - Stuart Katz

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1393, Misperf Shift Freak Error Zip Block of Four Mint NH 6¢ - Stuart Katz

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1329, Mint NH 5¢ Misperf Shift Error Voice of America - Stuart Katz

$18.79

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2515, MNH 25¢ Misperf Shift Freak Error Xmas Stamp - Stuart Katz

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1396, Mint NH 8¢ Fantastic Misperf Freak Error * Stuart Katz

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2013, Mint NH Misperfed Error 20¢ Mary Walker - Stuart Katz

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C75, Mint NH 20¢ Scarce Large Misperfed Error USA Airmail -- Stuart Katz

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1866, Mint NH Misperforation Missing Inscription ERROR Pair -- Stuart Katz

$23.45

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1361, MNH 6¢ Misperforated Error Block of Six Stamps - Stuart Katz

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1208, Mint NH 5¢ Flag Misperfed Error Block of Four - Stuart Katz

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1584, MNH 3¢ Perf Shift Freaky Error Margin Pair - Stuart Katz

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2202, Color Shift Freak Error Mint NH 22¢ Love Puppy Stamp * Stuart Katz

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720, Mint NH 3¢ Freak Error Misperfed Pair - Stuart Katz

$18.79

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1861, MNH 20¢ Misperfed Strip 10 Stamps Big And Small Stamp Errors - Stuart Katz

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1576, Large Two Way Misperfed Major Error Stamp Mint NH - Stuart Katz

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1432, Mint NH 8¢ Multiple Color Shift Freak Error * Stuart Katz

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1382, Mint NH 6¢ FOOTBALL Two Different Misperforation Errors - Stuart Katz

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1903, Mint NH 9.3¢ Pair of Miscut Coil Error Stamps * Stuart Katz

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1546a, LOOKS LIKE IMPERF BLOCK Freak Error Mint NH 10¢ - Stuart Katz

$23.39

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1578c, MNH 10¢ Brown, Blue & Yellow Colors Omitted Error PSE Cert - Stuart Katz

$1,499.30

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C22, Mint XF NH 50¢ - RARE WIDE TOP Plate Block of Six - Stuart Katz

$3,500.00

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5392a, Mint XF NH USS Missouri Imperforate Pane With PSE Cert - Stuart Katz

$8,455.30

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1338Fp, MNH 8¢ Green Omitted UNIQUE Plate Block of 20 Original PFC - Stuart Katz

$7,050.00

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C23a, MNH 6¢ 3 Imperforate Pairs in Misperfed Error Sheet of 50 - Stuart Katz

$5,635.30

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2437b, MNH 25¢ Dark Blue Omitted Error Pane of 40 Errors PFC Cert - Stuart Katz

$2,115.00

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3835a, MNH 37¢ Die Cutting Omitted MAJOR ERROR Sheet PSE Cert - Stuart Katz

$11,750.00

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241, Mint FVF NH $1 Columbian With PFC Certificate * Stuart Katz

$2,500.00

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2782c, Mint NH 29¢ RARE Imperforate Plate Block Error - Stuart Katz

$1,875.30

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1542b, Mint NH 10¢ Green, Black And Blue Colors Omitted Error - Stuart Katz

$1,645.00

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1414c, MNH 6¢ Blue Color Omitted From Right Two Stamps PFC Cert - Stuart Katz

$1,692.00

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315, Mint XF NH 5¢ Pair - Well Centered - PSAG Graded 90 - Stuart Katz

$1,500.00

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144, Used 90¢ VF And RARE - Light Cancel - PFC Certificate - Stuart Katz

$1,995.00

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2216j Var, 22¢ Blue Color Omitted & Red Color Doubled Error PFC - Stuart Katz

$1,499.30

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1445 Gray Color Omitted ERROR Plate Block of 12 Stamps With PFC UNIQUE !!!

$14,095.30

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1572-75, Mint NH Red 10¢ And Tagging Omitted Errors PF Certs - Stuart Katz

$1,880.00

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3915b, RARE Die Cutting Omitted ERROR Full Disney Pane With PSE - Stuart Katz

$4,230.00

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2500b, MNH 25¢ Blue Color Omitted Major Error (4 Strips) PSE Cert - Stuart Katz

$6,580.00

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C11, Mint NH 5¢ MASSIVE Color Shift Error Block of Four - Stuart Katz

$1,410.00

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1631b, Mint NH 13¢ Complete Imperforate Error Sheet RARE! - Stuart Katz

$7,050.00

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2062c, RARE Transitional Color Omitted ERROR 20¢ Block With PFC - Stuart Katz

$2,350.00

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1479, MNH 8¢ Red Color Missing From Top Stamps - HUGE Color Shift Freak Error

$2,815.30

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2500b, Mint NH Blue Color Omitted MAJOR ERROR With APS Certificate - Stuart Katz

$1,645.00

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1401b, MNH 6¢ VERY RARE Imperforate Pair Error APS Certificate READ Stuart Katz

$2,068.00

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1844a, Mint VF NH UNIQUE Imperforate PL# Strip of 20 Error - Stuart Katz

$1,875.30

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2940a, MNH 55¢ Imperforate Transitional Pair in Strip of 8 - Stuart Katz

$1,410.00

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2782c, Mint NH 29¢ Maroon & Black Colors Omitted Plate Block Error - Stuart Katz

$1,875.30

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1432a, b, 8¢ Colors Omitted Errors In Block of 12 Stamps VERY RARE - Stuart Katz

$1,739.00

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232, Mint VF NH 3¢ Plate Block of Eight Stamps - CV $2000 - Stuart Katz

$1,695.00

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Q11, Mint NH VF 75¢ VERY RARE Parcel Post Plate Block Cat $4500.00 Stuart Katz

$2,095.00

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1799a, 1799c, Two Different Errors in PL# Strip of 20 VERY RARE With PFC

$1,875.30

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2940a, MNH 55¢ Imperforate Transitional Pair in Strip of 8 - RARE! - Stuart Katz

$1,410.00

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396, Used 5¢ XF/Superb Line Pair With Graded 95 PFC Cert SMQ $3500 - Stuart Katz

$1,500.00

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2544A, MNH $10.75 With Wrong Size Stamp Perforations Freak Error Stuart Katz

$4,695.30

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449, Mint NH 2¢ Coil - VERY RARE With PSE Certificate CV $5500 * Stuart Katz

$4,200.00

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R99c, Used $20 Nice Sound Revenue Stamp- RARE - SCV $3000.00 - Stuart Katz

$1,500.00

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2737aPd, Mint NH 29¢ Uncut Vert Pair of Proofs CV $4000.00 * Stuart Katz

$2,350.00

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2062b, MNH 20¢ Black Color Omitted Error Sheet With PFC Cert - Stuart Katz

$2,251.30

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3835a, RARE Imperforate Error Strip of Four Dr. Seuss Stamps - Stuart Katz

$2,209.00

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2440 Variety, Pane of 50 With Colors Omitted ERROR With PSE Cert - Stuart Katz

$2,350.00

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3257a, Mint XF NH - Black Litho Color Omitted Error Plate Block - Stuart Katz

$376.00

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3082a, MNH 32¢ James Dean Complete Imperforate ERROR Pane of 20 - Stuart Katz

$611.00

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