United States

699, Mint VF NH 25¢ - Block of Four Stamps - SCV $52 - Stuart Katz

$22.50

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2084-5, Unused (Without gum) 20¢ Misperforated Error Strip - Stuart Katz

$18.75

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390, Used 1¢ Coil Line Pair - SCV $125.00 * Stuart Katz

$9.95

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636, Mint NH 4¢ Plate Block of Four SCV $92.50 - Stuart Katz

$19.95

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390, Used 1¢ Coil Line Pair - SCV $125.00 ** Stuart Katz

$35.00

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559, Mint F-VF NH 7¢ - WHOLESALE LOT OF 5 Stamps - SCV $76.25 - Stuart Katz

$19.95

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555, Mint F-VF NH 3¢ - WHOLESALE LOT OF 5 Stamps - SCV $152.50 * Stuart Katz

$39.95

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487, Mint VF NH 2¢ Coil Pair - SCV $75.00 - Stuart Katz

$39.95

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693, Mint VF/XF NH 12¢ Plate Block of Four * Stuart Katz

$25.00

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698, Mint VF NH 20¢ - Block of Four Stamps - SCV $50 - Stuart Katz

$22.50

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1362, Mint NH 6¢ Misperfed Error Duck Stamp * Stuart Katz

$28.20

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1858, MNH 18¢ Misperf Makes For Change of Design Error W/Normal * Stuart Katz

$16.87

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484, Used 3¢ Imperforate Line Block of Four - Stuart Katz

$10.00

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693, Mint XF NH 12¢ Plate Block of Four -- Stuart Katz

$29.95

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442, Mint NH 2¢ Coil Strip of 4 Stamps - SCV $110 . - Stuart Katz

$40.00

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411, Mint VF NH 2¢ Coil Pair - SCV $55. - Stuart Katz

$45.00

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Q1, Mint NH F-VF 1¢ Parcel Post - 4 Blocks SCV $192 - Stuart Katz

$59.95

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C11, Mint VF/XF NH 5¢ Airmail Beacon Stamp * Stuart Katz

$7.50

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612, Mint F-VF NH 2¢ Selection of 5 Stamps - SCV $162.50 -- Stuart Katz

$59.00

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Q3, MNH 3¢ Parcel Post - 15 Stamps SCV $360 - Stuart Katz

$69.95

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1479, Mint NH 8¢ - Large Misperf Error Plate Block * Stuart Katz

$47.00

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694, Mint VF/XF NH 13¢ Plate Block of Four * Stuart Katz

$19.95

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634 CF3, Mint LH/NH 2¢ Counterfeit Block of Four Stamps * Stuart Katz

$85.00

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Q1, Mint NH F-VF 1¢ Parcel Post - 4 Blocks SCV $192 ** Stuart Katz

$59.95

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2088, Mint NH 20¢ - Terrific Misperfed Error Pair * Stuart Katz

$42.30

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383, Used Superb 1¢ Block of Four - Stuart Katz

$15.00

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1716, Mint NH 13¢ - Large Misperf Error Block of Four * Stuart Katz

$56.40

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383, Used Superb 1¢ Arrow Block of Four - Stuart Katz

$15.00

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483, Mint XF NH 3¢ - Pair With Initials * Stuart Katz

$60.00

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1557, Mint NH 10¢ - Large Color Shift Error Space Plate Block * Stuart Katz

$117.50

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1338G, Mint NH 8¢ - Imperforate Pair Error With Normal -- Stuart Katz

$23.50

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TD13, Purple Ovpt Dummy Test Booklet With Misperforated Panes - Stuart Katz

$150.40

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2281 Error Group - Color Omitted, Color Shifts & More! - Stuart Katz

$235.00

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1338 Var, MNH 8¢ - Imperforate Pane Made For Coil Stamps - READ - Stuart Katz

$1,175.00

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658-68, Mint Set of Kansas Blocks of Four - SCV $1510.75 - Stuart Katz

$750.00

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2540, Mint NH $2.90 - Massive Color Shift Error - Double Eyes - Stuart Katz

$70.50

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2238c, Mint NH 22¢ - Black Color Omitted Error Block SCV $275 - Stuart Katz

$177.66

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O36a, Dull Blue - Mint LH 2¢ Navy - With PFC Cert - SCV $200 - Stuart Katz

$125.00

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3066a, Mint NH 50¢ - Black Color Omitted Error Plate Block ** Stuart Katz

$164.50

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1556a, MNH XF 10¢ - Red & Dark Yellow Colors Omitted Error Stuart Katz

$799.00

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1467c, MNH 8¢ - Green & Blue Colors Omitted Error - Stuart Katz

$1,781.30

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1395e, MNH 8¢ - Vertical Pair Imperforate Between Error - Stuart Katz

$611.00

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292, Mint VF NH $1 - Scarce Stamp! With PFC Certificate - Stuart Katz

$3,000.00

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C20, MNH 25¢ Airmail Top PL# Sheet of 50 With "C" At Top Right Stuart Katz

$69.95

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196, Unused F/VF 7¢ RARE Re-Issue With PFC Certificate SCV $6750 - Stuart Katz

$5,500.00

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915a VF NH Blue & Red Over Black Reverse Printing Error W/Normal * Stuart Katz

$18.75

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2280, Mint NH 25¢ - Red Color Shift Strip of 8 Stamps - Stuart Katz

$37.60

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408, MNH 1¢ With Kansas City Private Perfs Imperforate Between Var. Stuart Katz

$235.00

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RW46, Mint NH - Dramatic RARE Color Shift Error On Duck Stamp - Stuart Katz

$117.50

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1610, MNH $1 Candle Block - LARGE Misperforation Error - Stuart Katz

$37.60

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2453a, Mint FVF NH 5¢ Imperforate Coil Pair Error - Stuart Katz

$112.80

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3054, Mint NH 32¢ - Misperforated Error Strip of 8 Stamps - Stuart Katz

$18.75

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1826a, MNH VF 18¢ - Red, Brn & Blue Colors Omitted Error APS Cert - Stuart Katz

$423.00

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2031a, MNH VF 20¢ - Black Color Omitted Error With Normal - Stuart Katz

$611.00

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650, Mint Superb NH 5¢ - Graded 98 PSE Certificate - Stuart Katz

$115.00

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687, Mint XF/Superb NH 4¢ Line Pair - Graded 95J JUMBO PSE Cert - Stuart Katz

$300.00

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252, Mint VF/XF NH 2¢ - With PFC Certificate - RARE - Stuart Katz

$800.00

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347, Mint Superb NH 5¢ - Graded 100 GEM - PSE Cert - Stuart Katz

$450.00

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1470b, Mint VF NH 8¢ - Red & Black Colors Omitted Plate Block PFC - Stuart Katz

$2,350.00

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2041, MNH 20¢ Brooklyn Bridge - Misperf Error Margin Pair - Stuart Katz

$47.00

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320b, Mint Superb Scarlet Shade PSE Graded 100J JUMBO Certificate - Stuart Katz

$595.00

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525, Mint NH (Left Two H) Misperfed Error Block of Six - Stuart Katz

$55.46

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484, Mint Superb NH Pair - Stuart Katz

$50.00

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1033a, Mint VF NH 2¢ Silkote Paper - PSE Certificate - Stuart Katz

$225.00

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183, Mint XF VLH 2¢ JUMBO - Stunning Stamp With PFC Certificate - Stuart Katz

$350.00

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2354b, Mint NH 22¢ - White Color Omitted Error Zip Block ** Stuart Katz

$235.00

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RW46, Mint NH $7.50 Duck - RARE Color Shift Error Plate Block * Stuart Katz

$611.00

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508, Mint VLH 8¢ VF - Plate Block of Six * Stuart Katz

$120.00

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2115f, MNH VF 22¢ - Imperforate PL# 12 Strip of 6 Error * Stuart Katz

$235.00

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2130b, MNH VF 10.1¢ - Imperforate PL# 1 Strip of 8 Error * Stuart Katz

$329.00

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553, Mint VF NH - Wide Top Plate Block - Well Centered - Stuart Katz

$50.00

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2354b, Mint NH 22¢ - White Color Omitted Error Zip Block * Stuart Katz

$235.00

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562, Mint VF/XF NH 10¢ - Plate Block - Well Centered - Stuart Katz

$325.00

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1622, MNH 13¢ Contaminated Ink Error In Pair - Stuart Katz

$23.45

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1683, Mint NH 13¢ Two Different Perf Shift Freak Errors - Stuart Katz

$23.45

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1596, MNH 13¢ Gutter Snipe Freak Error Strip of 10 Stamps - Stuart Katz

$23.45

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2402, Mint NH Nice Color Shift Error With Normal Stamp - Stuart Katz

$23.45

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1858, MNH 18¢ Large Misperfed Shift Freaky Error Pair * Stuart Katz

$23.45

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504, Mint VF NH 5¢ With Odd Inking Freak Error - Stuart Katz

$23.45

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2072, MNH 20¢ Large Misperfed Shift Freaky Error Pair * Stuart Katz

$23.45

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C78a, Mint NH 11¢ Miscut Error Booklet Pane Shows Markings * Stuart Katz

$23.45

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982, MNH 3¢ Misperf Shift Freak Error Washington And Lee - Stuart Katz

$23.45

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1373, Scarce Misperf Freak Error Margin Copy Mint NH 6¢ California * Stuart Katz

$23.39

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1525, Mint NH 10¢ Misperfed Error VFW Anniversary - Stuart Katz

$23.45

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2045, Mint NH 20¢ Blue Color Shift Error With Normal * Stuart Katz

$23.45

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1283b, MNH (gum skips) 5¢ Misperf Shift Freaky Error Plate Block - Stuart Katz

$23.45

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2074, 20¢ Hard to Find Misperfed Error Stamp Mint NH - Stuart Katz

$23.45

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1373, Scarce Misperf Freak Error Mint NH 6¢ California * Stuart Katz

$23.39

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1735, MNH 15¢ Large Perforation Shift Error Pair With Gutter - Stuart Katz

$23.45

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986, MNH 3¢ Heavy Over Inking Stamp EFO ERROR Freak - Stuart Katz

$23.45

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C78, MNH 11¢ Misperforated Freak Error Top Row Pair - Airmail * Stuart Katz

$23.45

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702, Red Cross Shifted In All Four Positions Mint NH -- Stuart Katz

$23.45

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908, MNH 1¢ Misperfed Strip of 6 Stamps - EFO ERROR Freak - Stuart Katz

$23.45

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

$23.45

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2154, Mint NH 22¢ Misperforation Error WWI With Normal - Stuart Katz

$18.79

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2087, Mint NH 20¢ Large Misperforation Error - Stuart Katz

$23.45

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