United States

498, Mint NH 1¢ Freak Error Block of Eight Stamps - Stuart Katz

$141.00

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498, Used OG 1¢ Freak Error Block/6 Precancelled Chicago, IL - Stuart Katz

$84.60

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Audubon Columbia Jays Sheet of Fifty 5 Cent Postage Stamps Scott 1241

$18.95

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498, Mint H 1¢ Freak Error Plate Block of Six Stamps - Stuart Katz

$70.50

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72, Used F/VF 90¢ Nice Sound Stamp CV $600.00 - Stuart Katz

$350.00

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765, Mint XF OG NH Plate Block - With Original Gum! RARE - Stuart Katz

$450.00

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Liberty Bell ATM Sheet of 18 - Stamps

$21.57

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Dragonfly Pane Sheet of Twenty 62 Cent Postage Stamps Scott 4267

$49.95

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Antarctic Treaty Full Sheet of Fifty 50 Cent Airmail Postage Stamps Scott C130

$49.95

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Library of Congress Sheet of Twenty 33 Cent Postage Stamps Scott 3390

$14.95

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548, Mint NH Plate Block of Six Stamps CV $115.00 - Stuart Katz

$50.00

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648, Mint VF H 5¢ Plate Block of Four Stamps CV $200.00 - Stuart Katz

$140.00

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555, Mint VF NH Plate Block of Six Stamps CV $400.00 - Stuart Katz

$299.00

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623, Mint LH 17¢ Plate Block of Six Stamps CV $250.00 - Stuart Katz

$150.00

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Wedding Blossoms One PACK of TEN - Stamps Scott 4764

$15.87

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583, Mint NH 2¢ Plate Block of Four Stamps CV $110.00 - Stuart Katz

$45.00

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Holiday Evergreens Pane of 18 First Class Stamps Scott 4485b

$41.25

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Yes, I Do - Full Sheet of 20 - 66 Cent - Wedding Stamps Scott 4765

$42.88

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Water Lilies Booklet Pane of 20 First Class Postage Stamps Scott 4967b

$26.21

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Birds in Winter Booklet Pane of 20 First Class Stamps Scott 5320b - Stuart Katz

$23.39

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Celebrate Sheet of Twenty Current Rate Stamps Scott 4502

$19.63

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U.S. Flag GENUINE Booklet of 20 - Stamps Scott 5263 - Stuart Katz

$19.95

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1436, Mint NH 8¢ Amazing Color Shift Freaky Error With Normal -- Stuart Katz

$83.66

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1286, MNH 10¢ Drastic Misperf Makes For Nice Change of Design Error Stuart Katz

$935.30

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1436 Var, Mint VF NH Olive Color Omitted UNIQUE! With APS Cert - Stuart Katz

$1,410.00

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2090, MNH 20¢ Misperforated Freak Error Pair of Stamps - Stuart Katz

$23.45

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704-15, Mint NH XF Hand Picked Gem Set ** Stuart Katz

$75.00

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2104, MNH 20¢ Misperforated Freak Error PL# Strip of 20 Stamps - Stuart Katz

$89.30

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2104, MNH 20¢ Misperforated Freak Error PL# Block of 10 Stamps - Stuart Katz

$70.50

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2011, MNH 20¢ Misperforated Freak Error Bottom Margin Pair - Stuart Katz

$16.92

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2051a, MNH 13¢ RARE Misperfed Freak Error Olympics Block of Four - Stuart Katz

$79.90

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African Daisy International Mail Sheet of 10 Stamps

$27.95

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2108, MNH 20¢ Misperforated Freak Error Zip Block With Gutter - Stuart Katz

$56.35

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615, Mint VF NH 2¢ Complete Sheet of 50 Stamps CV $550 - Stuart Katz

$475.00

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1478, MNH 8¢ Multiple Color Shift Freak Error Horse Rider - Stuart Katz

$70.50

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J101, Mint NH $5 (Shiny gum) Complete Sheet of 100 Stamps - Stuart Katz

$595.00

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C76, MNH 10¢ BIG BLUE Color Shift Freak Error Plate Block of 4 - Stuart Katz

$371.30

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638, Mint VF NH 6¢ Complete Sheet of 100 Stamps - Stuart Katz

$450.00

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

$70.50

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1876a, Mint NH 18¢ Misperforated Error Freak Block - Flowers -- Stuart Katz

$70.50

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641, Mint XF NH 9¢ Complete Sheet of 100 Stamps - Stuart Katz

$425.00

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643, Mint VF NH 2¢ Complete Sheet of 100 Stamps CV $335 - Stuart Katz

$249.00

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648, Mint VF NH 5¢ Complete Sheet of 100 Stamps CV $2500 - Stuart Katz

$1,500.00

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1549, MNH 10¢ Massive Misperf Shift Freak Error -- Stuart Katz

$46.95

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618, Mint VF NH 2¢ Complete Sheet of 50 Stamps CV $625 - Stuart Katz

$525.00

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628, Mint VF 5¢ Complete Sheet of 50 Stamps CV $650 - Stuart Katz

$495.00

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655, Mint VF NH 2¢ Complete Sheet of 100 Stamps CV $225 -- Stuart Katz

$189.00

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C20, Mint NH Superb 25¢ With PSAG Graded 98 Certificate -- Stuart Katz

$175.00

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Palace of Fine Arts $26.95 Express Mail Single Postage Stamp Scott 5667

$44.95

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Frida Kahlo Complete Sheet of Twenty 34 Cent Stamps Scott 3509

$19.95

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2015 Neon Celebrate Sheet of 20 Current Rate Postage Stamps Scott 5019

$21.51

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Palace of Fine Arts $26.95 Express Mail Pane of Four Stamps Scott 5667

$179.95

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1593, MNH 11¢ Large Misperforation Shift Freak Error Sheet of 100 - Stuart Katz

$935.30

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2419, Mint VF NH $2.40 1989 Priority Mail Stamp - Stuart Katz

$5.95

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C125b, XF Mint NH 45¢ Space With Black Color Omitted Error - Stuart Katz

$423.00

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1541a, Mint NH 10¢ Large Misperfed Error Block - Minerals - Stuart Katz

$117.50

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1518b, MNH 6.3¢ Horizontal Imperforate Line Strip of Six Error - Stuart Katz

$465.30

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2634a, Mint NH 29¢ Scarce Color Shift Error Block Space Issue - Stuart Katz

$79.90

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1479, Mint NH 8¢ Terrific Color And Misperf Shift Error -- Stuart Katz

$37.55

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1756, MNH 15¢ Misperfed Plate Number Captured Block of 12 Errors - Stuart Katz

$329.00

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2540, MNH $2.90 Misperfed Plate Block of Six Freak Error - Stuart Katz

$117.50

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704-15, Mint NH XF Hand Picked Gem Set *-* Stuart Katz

$75.00

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1280, MNH 2¢ Nice Misperfed Freak Error Sheet of 100 Stamps - Stuart Katz

$140.06

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1758, MNH 15¢ Misperfed Plate Block of 16 Freak Errors - Stuart Katz

$465.30

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1252, Mint NH 5¢ Misperforated Error Freak Plate Block PL# Captured Stuart Katz

$117.50

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1622, MNH 13¢ Excellent Ink Smear Error In Block of 30 Stamps - Stuart Katz

$46.95

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1252, MNH 5¢ Blue Color Almost Omitted Freak Error Pair - Stuart Katz

$18.75

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C63, Mint NH 15¢ Two Way Misperf Error Block of Four -- Stuart Katz

$56.40

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1479, MNH 8¢ Red Color Missing From Top Stamp - Color Shift Freak Error

$1,175.00

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1876a, Mint NH 18¢ Misperforated Error Freak Block - Flowers - Stuart Katz

$70.50

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2635a, Mint NH Alaska With Black "USA 29¢" Omitted Error - Stuart Katz

$423.00

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1282, MNH 4¢ Lincoln Misperfed Freak Error Plate Block of 4 Stamps - Stuart Katz

$79.90

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657, Mint F/VF NH 2¢ Top Plate Block of Six Stamps - Stuart Katz

$22.95

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343, Mint VF NH Block of 4 Imperforate Stamps - Stuart Katz

$35.00

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390, Used 1¢ Coil Line Pair Well Centered And Fresh! -- Stuart Katz

$85.00

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487, Mint VF NH Coil Pair Well Centered And Very Fresh! -- Stuart Katz

$65.00

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390, Used 1¢ Coil Pair Well Centered And Very Fresh! -- Stuart Katz

$39.95

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1558, Mint NH 10¢ Misperforated Error Blco of Four - Hard to Find! - Stuart Katz

$56.35

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1060, MNH 3¢ HUGE Misperf Shift Error Freak - Stuart Katz

$21.57

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683, Mint NH 2¢ Top Plate Block of Six Stamps - Stuart Katz

$35.00

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2998, Mint NH 60¢ With Large Color Shift Freak Error Plate Block - Stuart Katz

$122.15

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383V, Mint NH Vertical Imperforate Coil Line Strip of 4 -- Stuart Katz

$59.95

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487, Mint VF NH Coil Pair Well Centered And Very Fresh! * Stuart Katz

$65.00

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494, Mint NH 3c Coil Pair Well Centered And Very Fresh! * Stuart Katz

$55.00

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390, Used 1¢ VF Coil Line Pair Well Centered And Fresh! -- Stuart Katz

$125.00

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343, Mint Superb NH Block of 4 Imperforate Stamps - Stuart Katz

$49.95

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494, Mint NH 3¢ Coil Pair Well Centered And Very Fresh! --- Stuart Katz

$50.00

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1286, Mint NH 10¢ Misperfed Freak Error Plate Block - Stuart Katz

$56.35

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246, Mint HR Very RARE Misperfed Block of Four Freaky Error - Stuart Katz

$140.06

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343, Mint Superb NH Block of 4 Imperforate Stamps -- Stuart Katz

$49.95

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492, MNH WHOLESALE Group of Three Coils - Very Fresh! CV $57. - Stuart Katz

$39.95

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383H, Mint Superb NH Horizontal Imperforate Coil Strip of 4 * Stuart Katz

$59.95

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383V, Mint NH Vertical Imperforate Coil Line Strip of 4 - Stuart Katz

$59.95

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2194, MNH $1 Misperfed Freak Error PB of 12 Shows TWO PL#'s - Stuart Katz

$328.06

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2764b, Mint NH 29c Flowers - Black Color Shift Error Booklet Pane * Stuart Katz

$30.97

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1503, MNH 8¢ LBJ RARE Misperf Shift Freak Error Plate Block of 12 - Stuart Katz

$234.95

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