United States

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

Custom Sku: SK-27498

$56.35

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

Custom Sku: SK-07806

$56.40

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

Custom Sku: SK-27487

$2,350.00

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

Custom Sku: SK-27511

$183.30

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

Custom Sku: SK-27515

$1,410.00

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

Custom Sku: SK-27567

$325.00

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

Custom Sku: SK-27568

$60.00

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

Custom Sku: SK-27576

$75.00

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

Custom Sku: SK-27584

$300.00

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

Custom Sku: SK-27506

$559.30

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

Custom Sku: SK-27360

$277.30

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

Custom Sku: SK-27548

$141.00

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

Custom Sku: SK-27575

$200.00

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

Custom Sku: SK-27479

$117.50

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

Custom Sku: SK-27549

$277.30

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

Custom Sku: SK-27552

$164.50

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

Custom Sku: SK-27580

$85.00

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

Custom Sku: SK-27482

$141.00

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

Custom Sku: SK-27904

$705.00

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

Custom Sku: SK-27899

$140.06

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

Custom Sku: SK-27433

$37.55

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

Custom Sku: SK-27897

$705.00

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

Custom Sku: SK-27900

$117.50

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

Custom Sku: SK-27466

$271.66

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

Custom Sku: SK-27483

$70.50

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

Custom Sku: SK-27907

$164.50

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

Custom Sku: SK-27446

$211.50

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

Custom Sku: 5620

$22.45

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

Custom Sku: SK-25092

$46.95

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

Custom Sku: SK-27344

$1,175.00

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

Custom Sku: SK-27345

$352.50

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

Custom Sku: SK-27336

$258.50

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

Custom Sku: SK-27349

$423.00

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

Custom Sku: SK-27323

$79.90

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

Custom Sku: SK-27321

$559.30

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1414b, VF NH 6¢ Black Color Omitted Error With With Normal - Stuart Katz

Custom Sku: SK-27330

$277.30

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Wisdom Rockefeller Center Sheet of Twenty $1.00 Postage Stamps Scott 3766

Custom Sku: 3766

$38.95

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3281b Mint VF NH 33¢ Blue & Yellow Colors Omitted Error With Normal Stuart Katz

Custom Sku: SK-27340

$277.30

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Bighorn Sheep Sheet of Twenty 17 Cent Postage Stamps Scott 4138

Custom Sku: 4138

$11.95

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1926 Misperforated ERROR pair - 18¢ Edna St. Vincent Millay Mint NH Stuart Katz

Custom Sku: SK-05601

$23.45

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Roy Acuff Sheet of Twenty 37 Cent Postage Stamps Scott 3812

Custom Sku: 3812

$11.95

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1510c, Mint NH 10¢ Remarkable Misperfed Booklet Pane Error - Stuart Katz

Custom Sku: SK-26045

$89.30

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C10a, Mint VF NH 10¢ Booklet Pane of 3 Stamps CV $115 - Stuart Katz

Custom Sku: SK-26060

$65.00

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C60a, 7¢ Mint NH Wholesale Lot of 45 Booklet Panes CV $315.00 - Stuart Katz

Custom Sku: SK-26084

$95.00

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617, Mint Never Hinged Superb 1¢ Lexington - Stuart Katz

Custom Sku: SK-26022

$40.00

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1920's Postage Production Test Block of 35 Stamps - Stuart Katz

Custom Sku: SK-09569

$700.00

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2073, Mint NH 20¢ Misperfed Error Carter Woodson - Stuart Katz

Custom Sku: SK-26030

$23.45

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535, Mint VF NH 3¢ Imperforate Block of Six -- Stuart Katz

Custom Sku: SK-25900

$89.95

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