United States

Newest Items First
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1800, 22¢ Scarce Misperfed Block of Four Error Stamps Mint NH - Stuart Katz
$47.00
1894b, MNH 20¢ Flag Imperforate Between Error Strip of Ten CV $1250 Stuart Katz
$935.30
413, Used 2¢ FVF Scarce Genuine Coil Strip of 5 CV $ 250+ - Stuart Katz
$225.00
1759, MNH 15¢ HUGE PERF Shift Error Mars Plate Block of Four - Stuart Katz
$235.00
2101a, MNH 20¢ Dogs Pre Printing Paper Fold In Block of 16 Stamps - Stuart Katz
$235.00
2079a, MNH 20¢ Remarkable Fold Over Error In Sheet - YIKES! - Stuart Katz
$117.50
1946 Var, MNH 20¢ Almost a Complete Gutter Pair Errors Block of 20 - Stuart Katz
$141.00
2062a, MNH 20¢ Misperfed Error Trolley Cars Plate Block of Four - Stuart Katz
$235.00
1798b, MNH 15¢ BIG Color Shift Error Olympics Block of Six - Stuart Katz
$70.50
3868a, MNH Very RARE Die Cut Shift Error Part Sheet - Disney - Stuart Katz
$277.30
452, Used 1¢ VF Scarce Coil Line Pair -- Stuart Katz
$175.00
2085a, MNH 20¢ Remarkable Fold Over Error In Block of 20 - YIKES! - Stuart Katz
$235.00
2478b, MNH 3¢ With Double Impression MAJOR ERROR - Stuart Katz
$164.50
3001, MNH Very RARE Perf Shift Error of a Modern Sheet - Stuart Katz
$559.30
1444, Mint NH 8¢ Christmas Gold Color Shift ERROR Zip Block - Stuart Katz
$46.95
1822, RARE Misperf Error 15¢ Zip Block Mint NH - Stuart Katz
$56.40
1683, MNH 13¢ Misperf And Tagging Shift Error Block of 10 Stamps - Stuart Katz
$235.00
1291, MNH 30¢ Misperfed Block of 100 Error Stamps- Scarce - Stuart Katz
$277.30
C92a, MNH 31¢ BIG Color Shift Sheet of 100 Airmail Error Stamps - Stuart Katz
$1,405.30
2189, MNH 52¢ Misperfed Full Sheet of 100 Stamps Scarce Error! - Stuart Katz
$277.30
C80, MNH 17¢ Reverse Printing Under Gum Error Sheet - Stuart Katz
$559.30
1584, MNH 3¢ Very RARE Vertical Gutter Error Pair In Strip of 7 - Stuart Katz
$235.00
1622, MNH 13¢ RARE Misperf Error Full Sheet of 100 Stamps - Stuart Katz
$653.30
1294, Huge Two Way Misperf Error $1 Eugene O'Neil Block/4 Mint NH - Stuart Katz
$47.00
1584, MNH 3¢ Terrific Odd Printing Error Sheet of 100 Stamps - Stuart Katz
$465.30
1605, Mint NH 29¢ Fold Over Sheet With Gutter Pair Error UNIQUE! - Stuart Katz
$841.30
2868a, Mint NH 29¢ Cranes RARE Misperfed Error Sheet - Stuart Katz
$465.30
2561, Mint NH 29¢ Sheet With Black Color Shift Error - Stuart Katz
$371.30
2635, Mint NH 26¢ Sheet Solvent Smear Error on Bottom Row - Stuart Katz
$235.00
1752a, MNH Scarce Fold Over Error In Block of 14 Stamps - Stuart Katz
$117.50
2413, Mint NH 25¢ Block/20 Ink Smear Error on Top Row - Stuart Katz
$234.06
2410, Mint NH 25¢ Sheet Under Inking Error on Top Row - Stuart Katz
$371.30
1733 Var, MNH Block of 20 Appears as Imperforate Between Errors - Stuart Katz
$329.00
2615a, Mint NH 29¢ RARE Misperf Error Block of Ten - Stuart Katz
$183.30
2380, Mint NH 25¢ Miscut Error Sheet of 50 Stamps - Stuart Katz
$211.50
1733a, MNH Spectacular Two Way Misperf Error Sheet of 50 Stamps - Stuart Katz
$935.30
1006, Mint NH 3¢ Misperfed Error Sheet of 50 Stamps Locomotive - Stuart Katz
$423.00
1409, MNH 6¢ Misperfed Error Plate Block of Four Stamps - Stuart Katz
$89.30
1414, MNH 6¢ Color Shift Error Zip Block of Four Stamps - Stuart Katz
$42.30
2421a, 25¢ MNH Transitional Color Omitted Error Sheet of 50 - Stuart Katz
$1,175.00
1158, Mint NH 4¢ Appears as an Imperforate Pair Error (Blind perfs) Stuart Katz
$37.60
1384 Var, Baltimore, MD Shifted Pre Cancel Plate Block of Ten Error Stuart Katz
$423.00
1283, MNH Miscut & Misperfed Error in Full Sheet of 100 Stamps - Stuart Katz
$141.00
1208, MNH 5¢ Unique Pre Printing Paper Fold Error Flag Stamp - Stuart Katz
$141.00
1354a, MNH Large Color Shift & Misperfed Error P.B. of 20 Stamps - Stuart Katz
$329.00
1425, Mint NH 6¢ Large Gutter Snipe Error Block of 8 Stamps - Stuart Katz
$75.15
1393, Mint NH 6¢ Misperfed Error Sheet of 100 Stamps - Stuart Katz
$559.30
2110, MNH 22¢ Scarce Misperfed Error Sheet of 50 Stamps - Stuart Katz
$705.00
1338, MNH Pre Printing Folds & Misperfed Block of 100 Error Stamps - Stuart Katz
$559.30
1354a, MNH Large Misperforation Error PB of 20 Stamps RARE! - Stuart Katz
$235.00
1253, MNH 5¢ Misperforated & Misplaced Pins Dramatic Sheet of 50 - Stuart Katz
$611.00
1166, MNH 4¢ UNIQUE Full Gutter Pair Major Error! - Stuart Katz
$705.00
Madonna and Child Sheet of Fifty 5 Cent Postage Stamps Scott 1336
$14.95
2367, MNH 22¢ Color Shift Error Plate Block of Four Stamps - Stuart Katz
$37.60
Hanukkah Twenty Sheet of Twenty 42 Cent Postage Stamps Scott 4372
$14.95
$10.00 Denomination Wave Single Postage Stamp Scott 4720
$18.95
2071, Mint NH 20¢ Rare Misperf Plate Block of Four Error - Stuart Katz
$79.90
World Cup Soccer Sheet of Twenty 40 Cent Postage Stamps Scott 2835
$14.95
774, Mint NH 3¢ With RARE Paper Fold Error Makes Crazy Perfs - Stuart Katz
$188.00
2999, Mint NH 32¢ Misperf Plate Block of Four Error - Stuart Katz
$117.50
2038, Mint NH 20¢ Rare Misperf Plate Block of Four Error - Stuart Katz
$164.50
908, Mint NH 1¢ RARE Misperfed & Gutter Snipe Error of Block/12 - Stuart Katz
$79.90
C63, Mint NH 15¢ Rare Double Perforations Error Plate Block - Stuart Katz
$235.00
741, Mint NH 2¢ Misperfed Plate Block of 10 Stamps Error - Stuart Katz
$235.00
1919a, Mint NH 18¢ Misperforation Error Block Space Issue - Stuart Katz
$56.35
2037, Mint NH 20¢ Looks Like Imperforate Error Pair (Blind perfs) - Stuart Katz
$70.50
554, Mint 2¢ Printers Waste Imperforate Block of 48 Stamps - Stuart Katz
$1,405.30
917A, Reverse Printing of Flag Colors - Mint NH Name Block - Stuart Katz
$183.30
4718, Mint $2 Wave Full Pane of Ten Stamps Hard to Find! - Stuart Katz
$59.95
1397 Var, Mint NH 14¢ Unique Gutter Pair Error LaGuardia - Stuart Katz
$705.00
452, Used 1¢ VF Scarce Coil Line Pair - Stuart Katz
$295.00
390, Used 1¢ VF/XF RARE Coil Line Pair - Stuart Katz
$175.00
413, Used 2¢ Scarce Genuine Coil Pair CV $100.00 - Stuart Katz
$50.00
Complete Mint WW II – 50th Anniversary Series Set of Five Panes of Ten Stamps
$29.95
443, Used 1¢ VF Scarce Coil - Stuart Katz
$35.00
493, Used 3c XF Scarce Coil Pair - Stuart Katz
$95.00
1420, MNH 6¢ HUGE Misperfed Error Plate Block of Four - Pilgrims - Stuart Katz
$183.30
1858, MNH 18¢ HUGE Misperfed Error Plate Block of Four - Stuart Katz
$117.50
1408, 6¢ Large Misperf Error Mint NH Stone Mountain - Stuart Katz
$28.15
1632, 13¢ Massive Color Shift Error Mint NH With Normal - Stuart Katz
$70.50
489, Mint NH 3¢ VF Group of Three Coil Pairs Cat $67.50 - Stuart Katz
$40.00
489, Mint NH 3¢ F-VF Group of Six Coil Pairs Cat $135.00 - Stuart Katz
$55.00
1720a, MNH 13¢ HUGE Misperfed Error Block of Four - Stuart Katz
$70.50
2088, Mint NH 20¢ Misperfed Error Plate Block of Four - Stuart Katz
$84.60
488, Mint NH 2¢ Coil Group of 5 F-VF Pairs & Single CV $94.00 - Stuart Katz
$55.00
C98, Color Shift Philip Mazzei Plate Block of 12 40 Cent Airmail Postage Stamps
$423.00
815, 10¢ Scarce Large Misperf Error Block of Six Mint NH - Stuart Katz
$173.90
634, MNH 2¢ Misperfed Error Electric Eye PB/6 With PL# Captured - Stuart Katz
$117.50
656, Mint 2¢ VF NH GEM Coil Strip of 4 - Stuart Katz
$50.00
C81, MNH 21¢ HUGE Color Shift Error Plate Block of Four - Air Mail - Stuart Katz
$329.00
426, Mint 3¢ VF NH Block of Six With Initials CV $210.00+ - Stuart Katz
$175.00
2065, MNH 20¢ Misperfed Error Plate Block With PL# Captured - Stuart Katz
$141.00
1338Fi, 8¢ Flag Imperforate PL# Strip of 20 Stamps CV $600.00 - Stuart Katz
$423.00
1789Ad, Mint NH 15¢ Imperforate Between Error Zip Block - Stuart Katz
$164.50
2479, 19¢ Fawn With Large Color Shift Error Sheet of 100 Stamps - Stuart Katz
$705.00
1007, RARE Mispered 3¢ Error Sheet of 50 Stamps Mint NH - Stuart Katz
$559.30
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