United States

1845, LARGE MISPERFORATION ERROR BLOCK OF FOUR

$46.95

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1395 MISCUT BOOKLET COVER STRIP - VERY UNUSUAL ITEM!

$126.05

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1592, RARE MISPERFORATION ERROR SHEET OF 100 STAMPS

$371.30

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2618a, 29¢ LOVE IMPERFORATE BETWEEN ERROR PAIR Just 50 Exist - DATZ Cat $625.00

$244.40

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1894, 20c Flag - MISPERFORATION ERROR BLOCK OF FOUR - VERY DRAMATIC!

$25.34

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568, Mint 25c VF-XF NH Block of four - Niagara Falls Cat $130.00+ - Stuart Katz

$75.00

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C9, Mint 20c Map - NINE VF-XF OG NH Stamps Cat $121.50+ - Stuart Katz

$49.88

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579, 2¢ Mint OG NH - Scarce Genuine Stamp Cat $150.00 - Stuart Katz

$89.00

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

$371.30

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1455, 8c - RARE BLACK COLOR SHIFT ERROR SHEET OF 50 STAMPS - Stuart Katz

$277.30

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2394, $8.75 1988 Express Mail Full Sheet of 20 Stamps CV $515.00 - Stuart Katz

$225.00

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178//190, Four Used Stamps - Nicely Centered Cat $185.00 - Stuart Katz

$75.00

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C81, MNH 21c Airmail - TWO DIFFERENT REVERSE PRINTING ERRORS - Stuart Katz

$141.00

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C104a, MNH 28c Airmail - HUGE MISPERFORATION ERROR BLOCK - Stuart Katz

$117.50

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1789Pg, Proof in Finished Design CROSS GUTTER BLOCK OF FOUR Cat $3,000.00

$681.50

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603, Mint 10c Four line pairs - VF NH Very fresh! Cat $200.00

$85.00

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1592, 10c - RARE MISPERFORATED ERROR SHEET OF 100 STAMPS - Stuart Katz

$470.00

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1510C, MISCUT ERROR BOOKLET OF FIVE PANES - Stuart Katz

$47.00

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C87, MNH 18c Liberty - REMARKABLE OFFSET UNDER GUM ERROR BLOCK! - Stuart Katz

$235.00

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1305C, $1 Mint NH - RARE MISPERFORATION ERROR PAIR - Stuart Katz

$51.70

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1422a, MNH 6c - HUGE TAGGING SHIFT MAJOR ERROR - AMAZING! - Stuart Katz

$94.00

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1266, Black color almost completely omitted error - Block of four - Mint NH

$465.30

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RW35, Mint VF NH Hooded Mergansers Federal DUCK Stamp - Cat $75.00

$35.00

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1931a, MNH 18c Architecture - HUGE MISPERFORATION ERROR BLOCK - Stuart Katz

$79.90

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3477, 34¢ Liberty Misperfed Strip of Five With PL #4444 ERROR - Stuart Katz

$37.55

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RW12 Top Plate Block of Six VF-XF NH Cat $600.00 - Stuart Katz

$395.00

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675, VF Mint NH Block of Four 6¢ Nebraska Stamps Cat $280.00 - Stuart Katz

$125.00

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1830b, XF NH Imperforate Block MAJOR Error - Stuart Katz

$281.06

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1299, Misperfed Strip of 5 & Line strip of 4 - 1¢ Jefferson coils - Stuart Katz

$89.30

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493 Mint 3¢ Coil Line Pair - XF-SUPERB NH - RARE GEM! - Stuart Katz

$220.00

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2453a, MNH 5c Canoe - RARE IMPERFORATE & MISCUT COIL PAIR ERROR - Stuart Katz

$169.20

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Four Balloon Post covers flown on same day - VF and SCARCE!

$34.99

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353 Used F/VF 2¢ Coil Single - Scarce! Cat $220.00 - Stuart Katz

$125.00

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O23 Mint OG H 30¢ Official Stamp - Sound Cat $290.00 - Stuart Katz

$59.95

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497, Mint F/VF OG NH 10¢ Coil Line Pair Cat $260.00 - Stuart Katz

$99.00

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J60 Scarce Used Strip of Three Postage Due Stamps F-VF Cat $255.00 - Stuart Katz

$90.00

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O23 Mint 30¢ Official Stamp F-VF Part Original Gum Cat $290.00 - Stuart Katz

$89.00

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2275 Purple Color Shift PL# Block of Four With Normal 22¢ Stamp - Stuart Katz

$46.95

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1363c Light Yellow Omitted ERROR PL# Block of 10 - Cat $1,000.00+ - Stuart Katz

$375.06

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648 Plate Block of Four - 5¢ Hawaii Issue XF NH Cat $425.00 - Stuart Katz

$349.00

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Double Paper & Tape Slice ERRORS - Very Unusual Group of Five - Stuart Katz

$140.06

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1936 Color Shift ERROR pair - 20¢ James Hoban - Mint NH - Stuart Katz

$28.15

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

$42.30

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1591 Misperforated ERROR Pair - 9¢ U.S. Capital - EE Marking -- Stuart Katz

$23.50

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1552, 10¢ XMAS TESTING STAMP - FULL PANE OF 200 UNIQUE?

$399.15

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2103 Misperforated ERROR Margin Pair - 20¢ Hispanics - Mint NH - Stuart Katz

$47.00

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O90, Mint 15¢ OFFICIAL - Fine OG LH - VERY FRESH! Cat $85.00

$39.00

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J38, Mint OG HR 1c BLOCK OF FOUR Postage Due Cat $65.00+

$19.00

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USS BARNEGAT AVP-10 Seaplane Tender Mae Weigand Hand Painted 1st Day Postal Serv

$14.95

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USS CORAL PY-15 Patrol Yacht - Mae Weigand Hand Painted NAval Cover

$14.95

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USS BISCAYNE AVP-11 Seaplane Tender - Mae Weigand Hand Painted Naval Cover

$14.95

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USS BRISTOL DD-453 Destroyer - 1st Day in Commission Mae Weigand Hand Painted

$14.95

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USS INGRAHAM DD-444 Destroyer Mae Weigand Hand Painted 1st Day Commission Cancel

$14.95

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1555a, MNH Brown Color Omitted ERROR Normal Included - Stuart Katz

$305.50

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1731, MNH 13c Sandburg - AMAZING MISPERFORATION PL# BLOCK OF FOUR - Stuart Katz

$47.00

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527, VF NH 2¢ Washington Block of Four Cat $160.00 - Stuart Katz

$75.00

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E6, Mint HR - With Odd Inking Blob Variety Error - Cat $230.00+ - Stuart Katz

$117.50

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2524, Mint NH 29¢ Tulip - Misperfed Collection of Seven Stamps - Stuart Katz

$46.89

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1593, Two Way Misperforation ERROR block of 4 11¢ Freedom of press Stuart Katz

$37.49

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1894b, Mint NH 20¢ Flag - Vertical Pair Imperforate Between Error - Stuart Katz

$259.33

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R81a, Used $2 VF Conveyance Revenue Stamp - Stuart Katz

$195.00

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718-19, Mint VF NH Plate Blocks of Four Cat $42.00 - Stuart Katz

$25.00

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US Stamps R115 Used Internal Revenue

$6.00

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1281, MNH 3¢ Francis Parkman Stamp Large Misperforation ERROR Pair - Stuart Katz

$23.50

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641, Mint VF NH Salmon Rose Shade 9¢ Complete Sheet of 100 Stamps - Stuart Katz

$425.00

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20th Century Poets Block of Ten - Stamps Scott 4654-63

$18.75

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C81, Mint NH 21¢ Blue Color Shifted Error Airmail Stamp - Stuart Katz

$79.90

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405b, Mint NH 1¢ Booklet Pane of Six Cat $110.00 - Stuart Katz

$65.00

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1769 Var, Full Gutter Between Stamps in Plate Block of 20 Stamps - Stuart Katz

$470.00

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1002, 3¢ RARE Misperf Error Mint NH Chemical Society - Stuart Katz

$28.20

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C87, Mint 18¢ NH Reverse Printing Under Gum Error - Stuart Katz

$23.45

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4978, Love Press Sheet of Six Panes of 20 Stamps - Stuart Katz

$220.00

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RW73, MNH $15 Duck Plate Block Artist Signed! Very Scarce! * Stuart Katz

$149.00

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3297d, Dated 2000 - Fruits & Berries Booklet of 20 x 33¢ Stamps - Stuart Katz

$19.95

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Nebraska Statehood Sheet of Fifty 5 Cent Postage Stamps Scott 1328

$14.95

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Black Heritage Whitney Moore Young Sheet of Fifty 15 Cent Stamps Scott 1875

$22.95

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2778aPg, MNH XF Imperforate Pane of Four Stamps Proof Cat $1500.00 - Stuart Katz

$1,034.00

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WCstamps: U.S. Scott #Q12 $1 Parcel Post XF Mint OGh 2024 Crowe Cert SMQ $515

$395.20

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WCstamps:U.S. Scott #E9 10c Special Delivery XF Mint OGph 2024 PSE Cert SMQ $275

$220.00

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WCstamps: U.S. Scott #494 3c Type II Coil Pair 2024 Crowe Cert SMQ $475

$375.20

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WCstamps: U.S. Scott #606a 2c Carmine XF/SUP Mint OGnh 2024 Crowe Cert SMQ $750

$550.40

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WCstamps: U.S. Guam Scott #12 $1 Type I Block F/VF Mint 2024 PSE Cert CV $2,450

$995.20

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WCstamps: U.S. Scott #372 / 2c Hudson XF/SUP, Mint OGnh, 2017 PSAG Cert SMQ $350

$265.60

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WCstamps: U.S. Scott #PR90 1c Newspaper VF/XF Mint OGph 2008 PSE Cert SMQ $810

$595.20

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WCstamps: U.S. Scott #O61 7c State Officials XF Mint OGph 2009 PSE Cert SMQ $675

$495.20

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WCstamps: U.S. Scott #413 2c Type I Line Pair VF Mint OGh 2007 PSE Cert SMQ $275

$225.60

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WCstamps: U.S. Scott #276 $1 Type I VF/XF Mint OGh 2003 PSE Cert SMQ $775

$595.20

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WCstamps: U.S. Scott #847 10c Prexie Pair SUP Mint OGnh 2006 PSE Cert SMQ $275

$175.20

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WCstamps: U.S. Scott #722 3c Coil Pair XF/SUP Mint OGnh 2024 Crowe Cert SMQ $300

$220.00

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WCstamps: U.S. Scott #Q10 50c Parcel Post XF Mint OGph, 2024 Crowe Cert SMQ $365

$275.20

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WCstamps: U.S. Scott #RS123c / 4c Hilcox & CO. Matches, FIne / CV $525

$295.20

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WCstamps: U.S. Scott #450 2c Coil Pair Fine Mint OGnh 2024 Crowe Cert CV $550

$295.20

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WCstamps: U.S. Scott #Q10 / 50c Parcel Post XF Mint OGph 2024 PSE Cert SMQ $365

$295.20

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WCstamps: U.S. Scott #O54 24c XF/SUP Mint OGph 2024 Crowe Cert SMQ $475

$475.20

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WCstamps: U.S. Scott #701 / 50c Lilac, SUP, Mint OGnh, 2024 Crowe Cert SMQ $600

$450.40

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WCstamps: U.S. Scott #721 3c Coil Pair XF/SUP Mint OGnh 2024 Crowe Cert SMQ $300

$220.00

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