United States

2165a, 22¢ Imperforate PL# Strip of 20 Stamps CV $550.+ - Stuart Katz

$399.50

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2166a, Imperforate Error Plate# Strip of 20 Stamps MNH CV $500+ Stuart Katz

$376.00

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527, Mint 2¢ F/VF NH Plate Block of Six CV $350.00 - Stuart Katz

$150.00

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2111, Red Tape Splice on "D" Stamp Sheet of 100 Scarce! - Stuart Katz

$705.00

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1729a, Imperforate PL# Strip of 20 Stamps CV $500.00+ - Stuart Katz

$329.00

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1007, RARE Mispered 3¢ Error Sheet of 50 Stamps Mint NH -- Stuart Katz

$517.00

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1919a, Vertical Perf Shift ERROR & Vertical Gutter Sheet - Stuart Katz

$559.30

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C11, HUGE COLOR SHIFT MAJOR ERROR PLATE BLOCK - 5¢ Beacon - Stuart Katz

$1,405.30

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2165a, Complete Imperforate Error Sheet of 50 Stamps MNH CV $1250+ Stuart Katz

$935.30

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590, Mint 9¢ F/VF NH Plate Block of Four CV $225.00 - Stuart Katz

$125.00

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2492a, Scarce Die Cutting Shifted Complete Pane of 20 32¢ Stamps - Stuart Katz

$93.06

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1622Cd, Most Likely Unique Imperforate Pane of 100 CV $5625.00 - Stuart Katz

$1,781.30

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1394, Vertical Perf Shift ERROR Complete Sheet of 100 8¢ IKE - Stuart Katz

$517.00

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

$56.35

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2414, 25¢ HUGE Gold Color Shift Error NEW FIND! - Mint NH -- Stuart Katz

$56.40

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1473, Misperforated Error Pharmacy Sheet of 50 8¢ Stamps - Stuart Katz

$2,350.00

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1597b, Grey Color Omitted Error in Transitional Strip CV $600.00 - Stuart Katz

$183.30

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1509a, Imperforate Between Errors in Complete Pane of 100 RARE - Stuart Katz

$1,410.00

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586, Mint 5¢ VF NH Plate Block of 4 CV $425.00 - Stuart Katz

$325.00

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583, Mint 2¢ F/VF NH Plate Block of 4 CV $110.00 - Stuart Katz

$60.00

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633, Mint 1-1/2¢ VF NH Plate Block of Four - CV $115.00 - Stuart Katz

$75.00

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541, Mint 3¢ VF NH Block of 4 Stamps Well Centered GEM! - Stuart Katz

$300.00

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2026a, Mint NH 20¢ Imperforate PB of 20 Stamps PFC CV $900+ Stuart Katz

$559.30

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C87, 18¢ Statue of Liberty HUGE Color Shift ERROR Plate Block - Stuart Katz

$277.30

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2399a, 25¢ Gold Color Omitted PL# Strip of 20 Stamps CV $500.+ - Stuart Katz

$141.00

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590, Mint 9¢ XF NH Plate Block of Four - A GEM! - Stuart Katz

$200.00

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1767a, Mint NH 15¢ Misperfed Shift Error Block Trees - Stuart Katz

$117.50

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1842a, 15¢ Imperforate PL# Strip of 20 Stamps CV $400.+ - Stuart Katz

$277.30

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1586a, 13¢ Imperforate PL# Strip of 12 Stamps CV $240.00+ - Stuart Katz

$164.50

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528, Mint 2¢ XF LH Top Plate Block of Six CV $100.00 - Stuart Katz

$85.00

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2399, Mint NH 25¢ Huge Misperf Shift Error Block of Six Stamps - Stuart Katz

$141.00

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1824 MNH 15¢ Helen Keller Color Shift Error Full Sheet of 50 Stamps Stuart Katz

$705.00

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1596, MNH 13¢ Eagle Misperfed Error Plate Block of 12 Stamps - Stuart Katz

$140.06

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1858, 18¢ Scarce Misperfed Error Margin Pair Mint NH - Stuart Katz

$37.55

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1596, MNH 13¢ Eagle Scarce Misperfed Error Sheet of 100 Stamps - Stuart Katz

$705.00

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1700, MNH 13¢ Misperfed Error Sheet of 32 Stamps - Stuart Katz

$117.50

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678, Mint 9¢ With Wide Spacing Error In Block of 6 CV $460.00 - Stuart Katz

$271.66

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2579, Mint NH 29¢ Misperf Plate Block Error - Santa - Stuart Katz

$70.50

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1764-67a, MNH 15¢ Trees Perf Shift Error PL# Block of Four Stamps - Stuart Katz

$164.50

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2360, Mint 22¢ HUGE Black Color Shift Error Pair WoW Mint NH - Stuart Katz

$211.50

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Raven Story Sheet of 20 Current Rate Postage Stamps Scott 5620 - Stuart Katz

$22.45

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1557, Mint NH Fantastic Misperf Error Makes For Change of Design - Stuart Katz

$46.95

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1772 Var, MNH Complete Sheet of 50 With DOUBLE Perforations Error - Stuart Katz

$1,175.00

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1370a, Two Imperforate Pairs In Complete Sheet of 50 Stamps Error - Stuart Katz

$352.50

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1229b, 5¢ VF Mint NH Imperforate Error Strip of Three - Stuart Katz

$258.50

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2096a, VF NH Imperforate Between Plate Block Error - 2-3 Exist - Stuart Katz

$423.00

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2152, Mint NH RARE Misperfed Plate Block 22¢ Veterans Korea Error - Stuart Katz

$79.90

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1732-33, Misperfed James Cook 13¢ Error Sheet of 50 - Stuart Katz

$559.30

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