United States

K3, Mint 6¢ on 3¢ VF OG NH - Nice Fresh Stamp CV $140.00 - Stuart Katz

$120.00

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484, Used 3¢ Superb Center Line Block of Four Scarce! - Stuart Katz

$95.00

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2051a, Misperforation ERROR PL# Block of 25 Stamps 13¢ Olympics - Stuart Katz

$277.30

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396, Used 5¢ RARE VF Coil Line Pair CV $825.00 - Stuart Katz

$495.00

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530, Unbelievable Misperforation Error Plate Block of 8 Stamps WoW - Stuart Katz

$220.90

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

Custom Sku: SK-20136

$32.79

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383, Used 1¢ Superb Center Line Block of Four Scarce! - Stuart Katz

$50.00

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R64a, Used Superb 60¢ Revenue Imperforate Stamp A GEM - Stuart Katz

$130.00

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RK25, Used $5 Foreign Service Consular Revenue Stamp CV $140 - Stuart Katz

$95.00

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487, Mint VF/XF NH Scarce Coil Pair Post Office Fresh - Stuart Katz

$125.00

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RD328, Mint VF OG NH $10 Stock Transfer Revenue Stamp CV $175 - Stuart Katz

$140.00

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1271a Gold Color Omitted MAJOR ERROR - 5¢ Florida With Normal - Stuart Katz

$155.10

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RG83-99, Mint OG LH Silver Tax Stamps - Very Fresh! Cat $1508.00 - Stuart Katz

$995.00

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1863g, RARE IMPERFORATE VERT PAIR IN COMPLETE SHEET MAJOR ERROR - JUST TWO KNOWN

$4,230.00

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Tiffany Lamp Sheet of 20 1¢ Postage Stamps Stamps Scott 3749 - Stuart Katz

Custom Sku: SK-19797

$4.95

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Pan American Inverts Full Sheet of 7 Stamps Scott 3505 - Stuart Katz

Custom Sku: SK-19796

$6.95

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Greetings from America Sheet of 50 37¢ Stamps Scott 3696-3745 - Stuart Katz

Custom Sku: SK-19799

$30.95

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1910's Celebrate The Century Sheet of 15 32¢ Stamps Scott 3183 - Stuart Katz

Custom Sku: SK-19800

$7.95

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1801, MNH 15¢ Will Rogers With Scarce Color Shift ERROR With Normal Stuart Katz

$23.50

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633, VF LH Block With RARE PL# 19292 Durland $150.00 - Stuart Katz

$110.00

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549, Mint NH F-VF Plate Block of Six Stamps CV $125 - Stuart Katz

$65.00

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PR91 Mint VF NH 2¢ Newspaper Stamp With PFC Certificate CV $1,075. - Stuart Katz

$416.50

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1971 Commemorative Year Set of 23 Mint Never Hinged Stamps - Stuart Katz

Custom Sku: 1971set

$8.95

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487, Mint VF/XF NH Scarce Coil Pair Post Office Fresh -- Stuart Katz

$125.00

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1704, Misperforated ERROR 13¢ Bicentennial With Normal Mint NH - Stuart Katz

$18.75

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2399, Misperfed Strip of Ten Stamps With GUTTER In Center RARE! - Stuart Katz

$465.30

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Puerto Rico J3, 10¢ Mint NH PL# Imprint Strip of Three Cat $1250 - Stuart Katz

$795.00

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1510, Scarce Misperfed 10¢ Sheet of One Hundred Stamps! WoW - Stuart Katz

$423.00

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1197, 4¢ Louisiana Large Perforation Shift Design Change Error - Stuart Katz

$23.45

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1446, Mint NH 8¢ Drastically Misperforated Error Block W/Normal -- Stuart Katz

$56.40

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550, Mint F/VF NH 5¢ Scarce Block of Four Cat $260.00 - Stuart Katz

$125.00

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535, Mint Superb NH Corner Margin Block of Four - Stuart Katz

$75.00

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New Hampshire State Duck Stamp # 4a - VF NH Cat $30.00 - Stuart Katz

$12.50

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566, Mint 15¢ VF/XF NH Top Plate Block of Six Fresh!!! - Stuart Katz

$350.00

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442, Mint VF NH RARE Genuine Coil Line Pair - Stuart Katz

$200.00

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2026, 20¢ Sensational Color Shift Error Block Of Four Stamps * Stuart Katz

$141.00

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1240, Fold Over Error Makes For Almost A Complete Gutter Pair * Stuart Katz

$131.60

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1263, Odd Inking Error Bleeds Through To The Reverse With Normal * Stuart Katz

$79.90

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1510, 10¢ Drastically Misperfed Error Block Shows Gutter Mint NH * Stuart Katz

$89.30

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1394, Red Missing on 2 Stamps - Two Way Misperforated Error Zip Block of Six

$140.06

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2054, 20¢ Sensational Color Shift Error Denomination Missing * Stuart Katz

$47.00

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1433, 8¢ Dramatic Color Shift Error Zip Block - Amazing! Mint NH * Stuart Katz

$305.50

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1557, 10¢ Amazingly HUGE Color Shift Error Block of 4 Mint NH - Stuart Katz

$465.30

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1769, 15¢ Block Of Four With Full Gutter Between Stamps RARE * Stuart Katz

$376.00

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2073, 20¢ Wonderful Misperfed Error Block With Gutter * Stuart Katz

$75.15

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1560, 60b Var Full Horiz Gutter Between Stamps & Color Missing - Stuart Katz

$465.30

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1281, 3¢ PB Block Misplaced Pins Misperforation Error Mint NH * Stuart Katz

$47.00

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1393, 6¢ Fold Over Error Makes For Almost A Full Gutter Pair MNH * Stuart Katz

$164.50

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