United States

771, Unused 16¢ Wide Top Plate Block of Six - A GEM - Stuart Katz

Custom Sku: SK-28769

$49.00

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1479, MNH 8¢ Terrific Color And Misperf Shift Error Plate Block - Stuart Katz

Custom Sku: SK-28663

$168.26

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2146, MNH 22¢ Miscut Error Pane Makes for 5 Full Gutter Pairs - Stuart Katz

Custom Sku: SK-28646

$3,290.00

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513, Mint F-VF NH 13¢ Block of Six Stamps CV $- Stuart Katz

Custom Sku: SK-28740

$59.00

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2535, Mint NH 29¢ Great Misperf Error Block That Shows Gutter - Stuart Katz

Custom Sku: SK-28678

$89.30

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1585, MNH 4¢ Stunning Two Way Misperf Error Sheet of 100 - Stuart Katz

Custom Sku: SK-28657

$1,175.00

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Delaware Statehood Sheet of Fifty 22 Cent Postage Stamps Scott 2336

Custom Sku: 2336

$24.95

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1035, Mint NH 3¢ Over Inked Error Part Sheet of 80 Stamps - Stuart Katz

Custom Sku: SK-28578

$70.50

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1698a, MNH 13¢ Black Color Shifted Error PL# Block of 12 - Stuart Katz

Custom Sku: SK-28582

$70.50

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2051a, MNH 13¢ Perf Shift Error Sheet of 50 Stamps - Scarce! - Stuart Katz

Custom Sku: SK-28588

$235.00

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1843, Mint NH Red Tape Splice Sheet of 50 Stamps - Scarce! - Stuart Katz

Custom Sku: SK-28589

$423.00

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1035, Mint NH 3¢ Under Inked Error Sheet of 100 - Stuart Katz

Custom Sku: SK-28577

$47.00

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Minerals Sheet of Forty 29 Cent Postage Stamps Scott 2700-03

Custom Sku: 2700-03

$26.95

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Charles M Russell Artist Sheet of Fifty 5 Cent Postage Stamps Scott 1243

Custom Sku: 1243

$12.95

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Holiday Greetings Booklet of Twenty 34 Cent Postage Stamps Scott 3537-40

Custom Sku: 3537-40d

$14.95

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C81, MNH 21¢ Airmail Misperforation ERROR Stamp - Stuart Katz

$14.05

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Mary Cassatt Artist Sheet of Fifty 5 Cent Postage Stamps Scott 1322

Custom Sku: 1322

$18.95

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Hawaii Statehood Anniversary Twenty 44 Cent Postage Stamps Scott 4415

Custom Sku: 4415

$29.88

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2999, Scarce Misperfed Error 32¢ Stamp Marine Life Mint NH - Stuart Katz

Custom Sku: SK-27403

$23.45

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Legend of Sleepy Hollow Sheet of Fifty 10 Cent Postage Stamps Scott 1548

Custom Sku: 1548

$22.95

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Democracy Sheet of One Hundred 4 Cent Postage Stamps Scott 1585

Custom Sku: 1585

$18.95

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Hawaii Full Sheet of Fifty 11 Cent Airmail Stamps Scott C84

Custom Sku: c84

$17.95

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Science And Industry Sheet of Fifty 20 Cent Postage Stamps Scott 2031

Custom Sku: 2031

$16.95

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New San Juan Puerto Rico Sheet of Fifty 8 Cent Postage Stamps Scott 1437

Custom Sku: 1437

$12.95

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Hawaii Statehood Sheet of Fifty 20 Cent Postage Stamps Scott 2080

Custom Sku: 2080

$21.95

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American Horses Sheet of Forty 22 Cent Postage Stamps Scott 2155-58

Custom Sku: 2155-58

$22.95

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C81, 21¢ Misperfed Top Margin Error Airmail Mint NH - Stuart Katz

Custom Sku: SK-27419

$37.60

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2147 Var, Most of Red & Yellow Missing Error Coil Pair - Stuart Katz

Custom Sku: SK-28344

$70.50

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1237, Mint NH 5¢ Large Perf Shift Margin Pair - The Sciences - Stuart Katz

Custom Sku: SK-28103

$61.05

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1318, Mint NH 5¢ Pre Printing Paper Fold And Color Shift Error PR - Stuart Katz

Custom Sku: SK-28084

$70.50

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2512, Mint NH 25¢ Perf Shift Error Pair - Grand Canyon - Stuart Katz

Custom Sku: SK-28090

$28.15

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619, VF/XF Mint NH Top PL# Sheet of 50 5¢ Stamps Brookman $2750. - Stuart Katz

Custom Sku: SK-16025

$1,495.00

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1118, MNH 8¢ Tremendous Color Shift And Misperf Error - Stuart Katz

Custom Sku: SK-28096

$47.00

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2142, Mint NH 22¢ Diagonal Perf Shift Olympics Error Pair - Stuart Katz

Custom Sku: SK-28108

$37.55

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1419, Mint NH 6¢ Huge Black Color Shift Error With Normal - Stuart Katz

Custom Sku: SK-28072

$37.55

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1759, Mint NH 15¢ Large Perf Shift Error Margin Pair Space Stamps - Stuart Katz

Custom Sku: SK-28106

$70.50

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1372, 6¢ With Blue Color Shifted Well Up Error W/Normal Mint NH - Stuart Katz

Custom Sku: SK-27406

$18.75

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1290, 25¢ Scarce Misperfed Error Pair Frederick Douglas Mint NH - Stuart Katz

Custom Sku: SK-27445

$28.15

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2103, MNH 20¢ Misperfed Error In Sheet of 40 Stamps - Stuart Katz

Custom Sku: SK-27940

$277.30

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

Custom Sku: SK-27432

$28.15

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2095, MNH 20¢ Misperf Error In Block of 20 Stamps - Stuart Katz

Custom Sku: SK-27934

$70.50

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2101a, MNH 20¢ Dogs Misperfed Error Sheet of 40 Stamps - Stuart Katz

Custom Sku: SK-27945

$164.50

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2512, MNH 25¢ Large Perforation Shift Error Pair Grand Canyon - Stuart Katz

Custom Sku: SK-27966

$42.30

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1919a, MNH Scarce Miscut Error 18¢ Space Sheet Shows Gutter at Top- Stuart Katz

Custom Sku: SK-27928

$117.50

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2090, MNH 20¢ HUGE Perforation Shift Error John McCormack - Stuart Katz

Custom Sku: SK-27961

$18.75

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2017, MNH 20¢ Miscut Error Sheet of 50 Stamps - Stuart Katz

Custom Sku: SK-27947

$89.30

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493, Used 3¢ XF Scarce Coil Pair -- Stuart Katz

Custom Sku: SK-27661

$95.00

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2011, Misperfed Error Zip Block of Four 20¢ Stamps Mint NH -- Stuart Katz

Custom Sku: SK-27373

$42.30

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