United States

2073, Misperforated ERROR Plate Block With PL# Captured on Stamp - Stuart Katz

$117.50

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585, Block of Six Stamps With Dry Printing ERROR on Right 3 Stamps Stuart Katz

$84.60

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1383, Large Misperforation ERROR Pair on 6¢ Eisenhower Mint NH Stuart Katz

$56.40

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1323, Large Misperforation ERROR Pair on 5¢ Grange Mint NH Stuart Katz

$70.50

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531, Mint Superb NH WIDE TOP Plate Block of Six Stamps Cat $200.00 - Stuart Katz

$160.00

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528, Mint VF NH 2¢ Wide Top Plate Block of Six Stamps Cat $175.00 - Stuart Katz

$135.00

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R98a, Superb $20 Conveyance Revenue Stamp Cat $175.00 - Stuart Katz

$150.00

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633, Mint NH/H Plate Block With Four Gum Breakers on Each Stamp - Stuart Katz

$200.00

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5052a, Scarce Die Cutting Omitted ERROR Pair Flag - Stamps - Stuart Katz

Custom Sku: SK-12145

$56.35

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1008, MNH NATO Stamp Printed on Very Thin Paper ERROR - Stuart Katz

$117.50

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1206, MNH 4¢ Education Color Shift ERROR Plate Block of 4 Stamps - Stuart Katz

$56.40

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238, Used 15¢ XF-Superb GEM Columbian Issue - Stuart Katz

$90.00

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2211a, Mint NH 22¢ Duke Ellington Imperforate Horiz Between ERROR - Stuart Katz

$470.00

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371, Mint VLH 2¢ RARE Center Line Block of Four Stamps Cat $160.00 - Stuart Katz

$120.00

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2431b, MNH 25¢ Eagle Die Cutting Omitted ERROR Pair - Stuart Katz

$235.00

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2412, MNH 25¢ Stamp With Scarce Gold Color Shift ERROR & Normal - Stuart Katz

$32.90

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1271, MNH 5¢ Florida With Large Color Shift ERROR Zip Block of 4 - Stuart Katz

$56.40

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1919a, Denominations Missing and Doubled on ERROR Block of 8 Stamps Stuart Katz

$705.00

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634b, VF NH VERY RARE Carmine Lake Plate Block Of Four With PSE - Stuart Katz

Custom Sku: SK-20516

$3,750.00

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4002, Mint 24¢ Common Butterfly Misperforation ERROR - Stuart Katz

$46.95

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1822, MNH 15¢ Large Misperfed Shift Freaky Error Block of Four * Stuart Katz

Custom Sku: SK-31562

$23.50

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492, Mint NH XF/Superb 2¢ Coil Pair - PSE Graded 95 * Stuart Katz

Custom Sku: 38224

$175.00

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527, Mint VF NH Plate Block of Six Stamps Cat $350.00 - Stuart Katz

$175.00

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549, Mint VF LH 2¢ Plate Block of Six Stamps * Stuart Katz

Custom Sku: SK-30992

$75.00

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1046, Mint VF NH 15¢ John Jay Fresh Sheet of 100 Stamps * Stuart Katz

Custom Sku: 42925

$69.95

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2428, Mint NH 25¢ Perforation Shift Freak Error Margin Copy ** Stuart Katz

Custom Sku: 40305

$30.97

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Love True Blue Love Birds Booklet 20 Stamps - 39 Cent Postage Stamps 3976

Custom Sku: 35869

$15.95

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675, Mint NH 6¢ Plate Block of Four CV $750 - Stuart Katz

Custom Sku: SK-33937

$425.00

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590, Mint NH 9¢ VF - Complete Sheet of 100 PSE SCV $3015.00 - Stuart Katz

Custom Sku: 43321-0917-2025UIT

$1,495.00

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Popular Singers Sheet of Twenty 29 Cent Postage Stamps Scott 2849-2853

Custom Sku: 2849-2853

$11.95

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1469, Large Misperforation Scarce ERROR Block of 8¢ Stamps Mint NH - Stuart Katz

$70.50

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1833, MNH 15¢ Learning Pair - Perfs Shifted Freaky Error * Stuart Katz

Custom Sku: SK-31481

$28.20

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1683, MNH 13¢ Massive Two Way Misperf Error With Normal * Stuart Katz

Custom Sku: 40933

$32.90

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1459a, Mint NH 8¢ Scarce Misperfed Error Plate Block - Stuart Katz

Custom Sku: 34211

$79.90

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628, Mint NH VF 5¢ Lot of TEN WHOLESALE Stamps CV $85 -- Stuart Katz

Custom Sku: SK-32538

$39.95

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752, Unused (NGAI) Set of Matched Plate Blocks -- Stuart Katz

Custom Sku: SK-32342

$79.95

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1507, Mint NH 8¢ Drastically Misperforated Error Block With Normal - Stuart Katz

$56.40

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773, MNH 3¢ California San Diego Sheet of 50 Postage Stamps * Stuart Katz

Custom Sku: 37036

$19.95

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2514, Mint NH 25¢ Misperfed Error Sheet of 50 Stamps - Stuart Katz

Custom Sku: SK-27806

$277.30

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2868a, 29¢ Two Different Error Blocks Reverse Print & Under Inking - Stuart Katz

$211.50

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229, Mint VF LH 90¢ - Fresh! - Nice Centering - Stuart Katz

Custom Sku: 42058

$450.00

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2389C, Mint NH 25¢ RARE Imperforate Between Major Error Block - Stuart Katz

Custom Sku: 41600RMT

$1,316.00

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1824, 15¢ Sensational Color Shift Error Pair With Normal * Stuart Katz

$83.66

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2541, $9.95 1991 Express Mail Full Sheet of 20 Stamps CV $515.00 - Stuart Katz

Custom Sku: SK-07837

$275.00

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450, Mint NH 2¢ RARE Coil Line Pair - Cat $550.00 - Stuart Katz

$350.00

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2521, Large Misperforated ERROR Sheet of 100 Stamps - Stuart Katz

$329.00

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1930 Fancy Cancel Registered Cover Winchester, IND 1930 - Stuart Katz

$48.75

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RW49, Canvasbacks Federal Duck Stamp VF OG NH - Stuart Katz

Custom Sku: rw49

$9.00

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