United States

C22, Mint VF NH 50¢ Bottom Plate Block of Six Stamps - Stuart Katz

$65.00

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566, Mint VF NH 15¢ Corner Margin Pair CV $70.00 - Stuart Katz

$40.00

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1252, Mint VF NH Blue Color Omitted ERROR 5¢ American Music -- Stuart Katz

$423.00

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1033, Mint NH 2¢ Jefferson Dramatic Misperfed Error - Stuart Katz

$18.75

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1405, Massive Pre Printing Paper Fold Error In Block WoW - Stuart Katz

$277.30

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C22, Mint VF NH 50¢ Top Plate Block of Six Stamps --*** Stuart Katz

$65.00

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654, Mint VF NH 2¢ Wide Top Plate Block of Six Stamps - Stuart Katz

$40.00

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C22, Mint VF NH 50¢ Top Plate Block of Six Stamps --****- Stuart Katz

$65.00

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C22, Mint VF NH 50¢ Top Plate Block of Six Stamps --** Stuart Katz

$65.00

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584, Mint VF NH 3¢ Lincoln Block of Four Stamps - Stuart Katz

$150.00

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1444, Misperforated Error 8¢ Christmas Stamp Mint NH - Stuart Katz

$18.75

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1393D, Mint NH 7¢ Remarkable Misperfed Zip Block Error - Stuart Katz

$70.50

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1150, Misperforated Error 4¢ Water Conservation Stamp Mint NH - Stuart Katz

$28.15

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2975w, Civil War Imperforate Sheet - MAJOR ERROR - Mint NH - Stuart Katz

$705.00

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1158 Misperforated ERROR Pair - 4¢ Washington Monument - Mint NH -- Stuart Katz

$42.30

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International Naval Review Sheet of Fifty 3 Cent Postage Stamps Scott 1091

$12.95

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Stars and Stripes Sheet of 50 of Fifty 32 Cent Postage Stamps Scott 3153

$24.95

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Joseph Priestley Chemist Sheet of Fifty 20 Cent Postage Stamps Scott 2038

$20.95

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Summer Olympics Sheet of 50 of Fifty 13 Cent Postage Stamps Scott 2048-51

$14.00

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American Inventors Sheet of 50 of Fifty 20 Cent Postage Stamps Scott 2055-58

$18.95

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2980, Three Different Black Color Shift Errors - Mint NH - Stuart Katz

$46.95

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Knoxville World's Fair Sheet of 50 of Fifty 18 Cent Postage Stamps Scott 2006-09

$18.95

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658-68, Mint F-VF NH Set of Kansas Ovpt Stamps CV $431.50 -*- Stuart Katz

$250.00

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2451a, Mint VF NH 4¢ Steam Carriage Imperforate Pair Error -- Stuart Katz

$352.50

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1920's Postage Production Test Block of 30 Stamps - Stuart Katz

$600.00

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U646a ENTIRE BLUE GRAY COLORS OMITTED ERROR - Stuart Katz

$84.55

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Q1, Mint Fine+ NH WHOLESALE GROUP OF 35 Parcel Post Stamps CV $420 - Stuart Katz

$175.00

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920, Flag Shifted Well Down Freak, Error Block With Normal MNH - Stuart Katz

$235.00

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1252, Mint VF NH Blue Color Omitted ERROR 5¢ American Music - Stuart Katz

$423.00

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J69, RARE Mint NH Sheet of 100 Postage Due Stamps CV $498.00+ - Stuart Katz

$350.00

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4640b, Mint NH RARE Imperforate Error Coil Pair - Stuart Katz

$93.06

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589, Mint NH FVF 8¢ Nice Block of Four CV $230.00 - Stuart Katz

$120.00

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570, Mint NH 50¢ Nice Block of Four CV $280.00 -- Stuart Katz

$120.00

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589, Mint NH VF 8¢ Nice Block of Four CV $230.00 - Stuart Katz

$140.00

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571, Mint $1 VF NH - Nice & Fresh - Lincoln Memorial -- Stuart Katz

$50.00

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2427b, Mint XF 25¢ With Red Litho Color Omitted With Normal * Stuart Katz

$352.50

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571, Mint $1 VF NH - Nice & Fresh - Lincoln Memorial - Stuart Katz

$40.00

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CE1, Mint XF NH 16¢ Top Plate Block of Six Stamps - Stuart Katz

$35.00

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C24, Mint F-VF NH Sheet of 50 Airmail Stamps Brookman CV $675.00 - Stuart Katz

$400.00

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615, Mint VF NH 2¢ Bottom Plate Block of Six Stamps - Stuart Katz

$60.00

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1789, Mint NH 15¢ Drastic Misperf Error Pair - Stuart Katz

$42.30

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430, Mint XF NH 7¢ Washington With PSE Certificate - Stuart Katz

$895.00

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C11, Mint NH or better WHOLESALE Lot of 59 Stamps CV $590.00 - Stuart Katz

$225.00

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CE1, Mint VF/XF NH 16¢ Top Plate Block of Six Stamps - Stuart Katz

$35.00

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619, Mint XF NH GEM Quality Stamp. Very Well Centered! - Stuart Katz

$30.00

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619, Mint Superb NH GEM Quality Stamp. Very Well Centered! - Stuart Katz

$45.00

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2517a, Mint XF NH 29¢ Vertical Imperforate Pair Error - Stuart Katz

$747.30

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1504a, Mint VF NH 8¢ Green & Red Brown Colors Omitted ERROR Stuart Katz

$423.00

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C16, Mint XF NH 5¢ With Nice Margins All Around A GEM ! - Stuart Katz

$75.00

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119, Used 15¢ Columbus Landing Stamp - SOUND Cat $200.00 - Stuart Katz

$85.00

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1547c, Mint VF NH 10¢ Green Color Omitted Error With Normal - Stuart Katz

$376.00

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753, Mint VF NH Bottom Arrow Block of Four Cat $70.00 - Stuart Katz

$49.95

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QE1a (wet) Mint NH Sheet of Fifty 10¢ Special Handling -- Stuart Katz

$195.00

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Q1, Mint NH Plate Block of Six Parcel Post Stamps CV $175.00 - Stuart Katz

$139.95

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J69, 1/2¢ F/VF Sheet (split) of 100 Postage Due Stamps CV $950.00 - Stuart Katz

$395.00

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1856, Mint NH 14¢ Large Misperforation Error Pair of Stamps - Stuart Katz

$28.15

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4394, Mint NH 44¢ HUGE Color Shift Pair of Stamps WoW - Stuart Katz

$83.66

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C87, MNH PB Reverse Printing Under Gum ERROR! WoW - Stuart Katz

$211.50

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2561a, Mint NH 29¢ Black Litho Color Omitted Error W/Normal - Stuart Katz

$61.10

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1393D, Mint NH 7¢ Large Misperforation Error Plate Block of Stamps - Stuart Katz

$70.50

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Summer Olympics 1984 Full Sheet of Fifty 28 Cent Airmail Stamps Scott C101-04

$28.95

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1393D, Mint NH 7¢ Large Misperforation Error Block of Stamps - Stuart Katz

$70.50

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Dogs at Work Sheet of Twenty 65 Cent Postage Stamps Scott 4604-07

$30.95

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C3, Mint VF NH 24¢ "FAST PLANE" Variety Very Nice Example! - Stuart Katz

$423.00

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1305Cd, Mint NH VF RARE $1 O'Neill Imperforate Error Coil Pair -- Stuart Katz

$935.30

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1141, Dramatic Two Way Misperf Shift Error Pair Mint NH -- Stuart Katz

$47.00

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2281c, MNH Black Litho Omitted Major Error Pair W/Normal With PFC * Stuart Katz

$747.30

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C56, Mint NH Two Misperfed Errors 10¢ Airmail Stamps - Stuart Katz

$56.35

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2492 32¢ Rose Imperforate and With Color Omitted Vertical Pair - Stuart Katz

$70.50

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4133a, Mint NH VF RARE 41¢ Imperforate Error Coil Pair - Stuart Katz

$893.00

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1501b, Mint VF NH Tan & Lilac Colors Omitted Error With Normal * Stuart Katz

$446.50

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5392a, USS Missouri RARE Imperforate Pair Major Error With PSE - Stuart Katz

$799.00

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1284, Misperfed Sheet of 100 6¢ FDR Stamps Mint NH - Stuart Katz

$559.30

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BKC18 (C64c), RARE Unexploded Booklet Shows Plate #'s Cat $350.00 - Stuart Katz

$249.00

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1810a, Fold Over ERROR In Complete Sheet of 60 Stamps - Stuart Katz

$211.50

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121, Used 30¢ VF App Eagle & Flag Low Start Price! Cat $375.00 - Stuart

$149.00

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1931, Mint NH - High Value Rotary Stamp Set of 10 Stamps Scott 692-701

$64.95

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3557a, Mint XF NH 34¢ Imperforate Pair Error Langston Hughes - Stuart Katz

$540.50

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1596b, MNH 13¢ With Yellow Color Omitted ERROR Stamp With Normal - Stuart Katz

$61.05

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2542, VF NH $14 Color Omitted & Imperforate (Printers Waste) RARE! - Stuart Katz

$465.30

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1802, Mint NH Strange Inking Error With Normal Stamp - Stuart Katz

$70.50

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C86, Dramatic Color Shift Error Plate Block of Four Mint VF NH - Stuart Katz

$141.00

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1141, Dramatic Two Way Misperf Shift Error Pair Mint NH - Stuart Katz

$56.40

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2567b, Mint NH 29¢ Imperforate Between Zip Block of Four Stamps - Stuart Katz

$846.00

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2618a, VF NH 29¢ Love Imperforate Between Error - Stuart Katz

$244.40

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1576, Large Two Way Misperfed Major Error Stamp Mint NH - Stuart Katz

$28.15

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374, Mint NH Unbelievable Misperf ERROR Block of Ten Stamps - Stuart Katz

$371.30

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1501b, Mint VF NH Tan & Lilac Colors Omitted Error With Normal - Stuart Katz

$446.50

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2883b, Mint XF NH 29¢ Imperforate Booklet Pane Error - Stuart Katz

$329.00

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2590, Unbelievable Misperfed Complete Sheet of 20 Stamps - Stuart Katz

$1,410.00

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2904c, VF NH Nonprofit Die Cut Omitted Error Coil Pair - Stuart Katz

$183.30

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3086a, Mint NH Stunning Misperfed Error Full Pane of 20 Stamps - Stuart Katz

$705.00

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3052Eg, Mint VF NH Black Color Omitted Error Pair With Normal - Stuart Katz

$611.00

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3265Ac, Blue, Magenta & Yellow Omitted Error With PFC Certificate - Stuart Katz

$1,175.00

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650, Large Misperfed Major Error Mint NH George Gershin - Stuart Katz

$56.35

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1824, 15¢ Dramatic Color Shift Error With Normal Mint NH - Stuart Katz

$42.30

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