United States

Colorado Hairstreak Butterfly Sheet of Twenty Non-machinable Rate Stamps #5568

$25.33

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2870, Legends of the West Error Sheet with Blue Holder - Stuart Katz

$65.75

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Songbirds Booklet Pane of 20 GENUINE - First Class Postage Stamps Scott 4891b

$32.79

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Illinois Statehood Centennial Sheet of Fifty 6 Cent Postage Stamps Scott 1339

$15.95

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Malcolm X Black Heritage Sheet of Twenty 33 Cent Postage Stamps Scott 3273

$19.95

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Castillo de San Marcos Single $7.95 Priority Mail Postage Stamp Scott 5554

$15.95

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CSA 13, XF NH Gutter Block of Four VERY RARE! With PFC Cat $700.00++ Stuart Katz

$595.00

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100, Used 30¢ F/VF RARE Sound Stamp PSAG Certificate Cat $950.00 - Stuart Katz

$695.00

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2507b, Mint NH 25¢ Black Color Omitted Error Pair - Stuart Katz

$1,081.00

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400, Mint VF-XF OG NH 10¢ Pan-Pac With PFC Certificate - Stuart Katz

$350.00

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446 Used 4¢ Coil Line Pair - VF With PFC Certificate Cat $1,250.00 - Stuart Katz

$750.00

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532, Mint Superb NH HUGE JUMBO With PSE Certificate - Stuart Katz

$225.00

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1423 Var, BLUE INTAGLIO COLOR MISSING WITH PFC - MINT NH VERY RARE - Stuart Katz

$705.00

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298, Mint XF NH 8¢ Canal Pl# Copy With PFC Certificate - Stuart Katz

$400.00

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1934b Mint VF NH Brown Color Omitted Block Error With PFC Cert Stuart Katz

$747.30

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95 Used 5¢ Brown Crossroads Cancel With PFC Cat $900.00 - Stuart Katz

$275.00

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Coral Reefs Postcard Rate - Roll of 100 Postage Stamps Scott 5367-70

$85.00

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406, Used 2¢ XF With Graded 95 PSE Certificate -- Stuart Katz

$110.00

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Chien-Shiung Wu Nuclear Physicist Sheet of 20 Current Rate Stamps Scott 5557

$19.63

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RG80, Used $100 Silver Tax Revenue Stamp XF - Stuart Katz

$650.00

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3835a, RARE Imperforate Error Pair of Four Dr. Seuss Stamps -- Stuart Katz

$1,175.00

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RO65a, Kramer & Kemp Match Stamp - Cat $72.50 - Stuart Katz

$55.00

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734a, Mint OG H - Extremely RARE Imperforate Pair Error - Stuart Katz

$1,316.00

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3363d, 33¢ Greetings Complete Imperforate Booklet Pane ERROR - Stuart Katz

$705.00

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C87, Red And Blue Colors Shifted Down Error Stamp Mint NH -- Stuart Katz

$46.95

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1856b, Imperforate Between Vertical Error Pair - SPECIAL PRICE! - Stuart Katz

$46.95

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New River Gorge Bridge $4.95 Priority Mail Plate Block of Four Stamps Scott 4511

$39.95

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Global - International Postage Stamps Sheet of 10 Stamps Scott 5058

$34.67

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Year of the Ox Lunar New Year 2020 Sheet 20 Current Rate Stamps Scott 5556

$19.63

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Views of Our Planets Sheet of 16 - Current Rate Postage Stamps Scott 5076

$31.85

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Richard M. Nixon President Sheet of Fifty 32 Cent Stamps Scott 2955

$39.95

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2014, 20¢ Color Shift ERROR With Normal Mint NH WoW - Stuart Katz

$56.35

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RW69A, Black Scoter Federal DUCK Stamp Self-Adhesive Pane - Stuart Katz

$30.95

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1326, Amazing 5¢ Misperforation Error Mint NH - Stuart Katz

$23.50

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Bugs Bunny Full Sheet Looney Tunes Sheet of Ten 32¢ Stamps Scott 3137 By USPS

$5.95

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3629Fg, XF NH 37¢ USA Flag Imperforate Pair ERROR Cat $150.00 Stuart Katz

$112.80

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2181, Mint NH 23¢ Misperforated Error Sheet of 100 Stamps - Stuart Katz

$371.30

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20L56, Local Stamps Mint NH Block of 30 Stamps Extra Row of Perfs With PFC

$235.00

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1338gh, 8¢ Flag Imperforate Pair Error VF NH - Stuart Katz

$37.55

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2170, Miscut Complete Sheet of 100 Stamps - Very Unusual Error!

$141.00

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1359, Mint NH 6¢ Large Color Shift Error With Normal - Stuart Katz

$42.30

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Christmas Holly Pane of Twenty 32 Cent Postage Stamps Scott 3177a

$14.95

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

$117.50

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Wonder Woman 75th Anniversary Sheet of 20 Current Rate Stamps Scott 5152

$30.91

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5036, Imperforate Plate Block of Six ERROR PFC Cert Mint VF NH Stuart Katz

$277.30

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C52, Mint VF NH Small Holes Coil Line Pair CV $240 - Stuart Katz

$150.00

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"HOUSTON/TEX." in Purple Sam Houston Fancy Cancel Cover - Stuart Katz

$191.75

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Beerton, Mug of Beer in Purple Fancy Cancel Cover - Stuart Katz

$96.85

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