United States

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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3031 Var Two Different Color Varieties Look Like Color Omitted PF * Stuart Katz

$470.00

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C88, 26¢ Full Reverse Printing Under Gum Error Zip Block W/Normal * Stuart Katz

$183.30

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2703a, 29¢ Severely Over Inked Minerals Zip Block * Stuart Katz

$141.00

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1950, 20¢ Misperfed Error Plate Block FDR Stamps * Stuart Katz

$47.00

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1727, 13¢ Spectacular Color Shift Error With Normal Stamp * Stuart Katz

$23.45

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1455, Large Black Color Shift Error Zip Block Mint NH * Stuart Katz

$56.40

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2062b, Mint VF NH Color Omitted ERROR Block of Four With Normal - Stuart Katz

Custom Sku: SK-16727

$187.95

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1563, 10¢ Misperforation Error With Inscription Missing! * Stuart Katz

$42.30

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Felix The Cat Fancy Cancellations & More Stunning Cover - Stuart Katz

$487.50

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1551, 10¢ Scarce Perforation Shift Error PR Showing Gutter Mint NH * Stuart Katz

$70.50

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C94a, PL# In Two Different Colors Error? * Stuart Katz

$18.75

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2011, Reverse Printing Under Gum ERROR With Normal Mint NH - Stuart Katz

$47.00

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1727, HUGE Color Shift ERROR 13¢ Recording Stamp With Normal MNH Stuart Katz

$18.79

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

$70.50

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2980a, Mint VF NH Block Black Color Omitted Error APS Cert - Stuart Katz

$846.00

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1949a Two 20¢ Misperforated ERROR Panes In Complete Booklet - Stuart Katz

Custom Sku: SK-07515

$37.60

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RW85, $25 Mallards 85th Anniversary Single Stamp Mint NH - Stuart Katz

Custom Sku: rw85

$79.95

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RW30, Mint XF NH $3 Duck Plate Block of Four Stamps Cat $450.00 - Stuart Katz

$300.00

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1931a, Very Dramatic Misperfed ERROR Plate Block Mint NH - WoW - Stuart Katz

$79.90

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483, Mint F/VF NH Block of Four & Pair Cat $150.00 - Stuart Katz

$75.00

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RW41, Mint VF Sheet of 30 $5 Duck Stamps CV $648.00 - Stuart Katz

$300.00

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497, Used 10¢ VF Coil Line Strip of Four Stamps CV $235+ - Stuart Katz

$120.00

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