United States

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

Custom Sku: SK-04600

$46.89

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

Custom Sku: SK-04594

$37.49

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

Custom Sku: SK-04045

$259.33

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

Custom Sku: 34104

$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

Custom Sku: SK-11075

$23.50

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

Custom Sku: SK-29774

$425.00

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

Custom Sku: SK-196150

$18.75

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

Custom Sku: SK-28078

$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

Custom Sku: SK-27644

$28.20

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

Custom Sku: SK-34049

$23.45

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

Custom Sku: 36372

$220.00

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

Custom Sku: 40627

$149.00

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

Custom Sku: SK-07683

$19.95

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Nebraska Statehood Sheet of Fifty 5 Cent Postage Stamps Scott 1328

Custom Sku: 1328

$14.95

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

Custom Sku: 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

Custom Sku: 12345

$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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WCstamps: U.S. Scott #214 / 3c Vermillion Block Of 8 F/VF Mint CV $1,270

$475.20

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WCstamps: U.S. Scott #148 / 6c Carmine, VG/F, Mint OGph / CV $900

$175.20

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WCstamps: U.S. Scott #242 $2 Columbian XF/S Used 2022 PF Cert Grade95 SMQ $3,500

$2,500.00

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WCstamps: U.S. Scott #1763a / 15c Plate Block EFO, VF, Mint OGnh

$95.20

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WCstamps: U.S. Scott #234 5c Columbian XF/SUP Mint OGnh 2011 PSAG Cert SMQ $850

$595.20

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WCstamps: U.S. Scott #449 2c Type I On Cover VF Used 2025 Crowe Cert CV $1,500

$450.40

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WCstamps: U.S. Scott #456 3c Coil Pair VF/XF Mint OGph 2024 Crowe Cert SMQ $775

$595.20

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WCstamps: U.S. Scott #550 / 5c Pilgrim, XF/SUP, Mint OGnh 2011 PSE Cert SMQ $375

$295.20

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WCstamps: U.S. Scott #Q6 10c Parcel Post SUP Mint OGph 2010 PSE Cert SMQ $400

$320.00

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WCstamps: U.S. Scott #668 / 10c Kansas, XF, 2024 PSE Cert Grade 90 / SMQ $80

$65.60

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WCstamps: U.S. Scott #Canal Zone 34 / 1c,2c, 8c On Cover /

$295.20

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524, Mint Superb NH $5 - With Graded 98 PSE Certificate - Stuart Katz

Custom Sku: 43118-0729-2025RXT

$1,500.00

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2916b, MNH 32¢ Both Panes are Completely Without Die Cuts ERROR - Stuart Katz

Custom Sku: 43112

$1,593.30

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86, Mint OG LH 1¢ - Stunning Blue Color! With Certificate - Stuart Katz

Custom Sku: 43096-0729-2025CST

$1,400.00

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524, Mint VF/XF NH $5 Franklin - With PFC Certificate - Stuart Katz

Custom Sku: 43104-0729-2025NTX

$395.00

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611, Mint XF NH - Guide Line Strip of 4 Schermack Perfs With Cert - Stuart Katz

Custom Sku: 43094-0729-2025CN

$495.00

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304, Mint XF NH 5¢ - Graded 90 PSAG Certificate (Under Graded) - Stuart Katz

Custom Sku: 43099-0729-2025ART

$495.00

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506, Mint VF NH 6¢ Top Plate Block of Six - Solid Perfs - Stuart Katz

Custom Sku: 43209-0809-2025MAS

$250.00

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Souvenir Sheet DISCOUNTED POSTAGE - Face Value $273.40 - Stuart Katz

Custom Sku: 43214-0809-2025PS

$220.00

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E10, Mint VF NH 10¢ PL# Special Delivery - PFC Certificate (copy) Stuart Katz

Custom Sku: 43109-0729-2025ART

$595.00

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71, Mint OG LH 30¢ - Glowing Color! With PFC Cert - Stuart Katz

Custom Sku: 43095-0729-2025CTX

$1,250.00

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K6, Mint XF NH 12¢ Shangai - With Graded 90 PSAG Certificate - Stuart Katz

Custom Sku: 43111-0729-2025ART

$495.00

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491, Used VF/XF 2¢ Coil Pair - With Graded 85 PFC Certificate - Stuart Katz

Custom Sku: 43105-0729-2025N

$5,500.00

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2904c, MNH XF PL# S111 Strip/6 Without Die Cuts ERROR - PSE - Stuart Katz

Custom Sku: 43114-0729-2025APS

$935.30

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C4, Mint VF NH 8¢ Top Plate Block of Six - Stuart Katz

Custom Sku: 43205-0809-2025MTX

$225.00

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648, Mint VF NH 5¢ Hawaii Plate Block of Four - Stuart Katz

Custom Sku: 43207-0809-2025MXT

$250.00

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C2, Mint XF NH 16¢ - With Graded 90 PSE Certificate - Stuart Katz

Custom Sku: 43196-0809-2025MTX

$160.00

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1518c, Mint VF NH 6.3¢ Imperforate Error Strip Wash DC Precancel * Stuart Katz

Custom Sku: 43236-0819-2025AC

$56.35

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1519a, Mint VF NH 10¢ Imperforate Error Line Pair * Stuart Katz

Custom Sku: 43239-0819-2025R

$37.55

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621, Mint VF NH 5¢ Plate Block of Six - Solid Perfs - Stuart Katz

Custom Sku: 43208-0809-2025MIS

$475.00

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534B, Used XF/Superb 2¢ - With Graded 95 PSE & PF Certificates - Stuart Katz

Custom Sku: 43106-0729-2025MXST

$1,900.00

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304, Mint XF/Superb NH 5¢ Lincoln - With PSE Certificate - Stuart Katz

Custom Sku: 43201-0809-2025IT

$375.00

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2871Ad, MNH 29¢ Panes are Completely Without Die Cuts ERROR - PSE - Stuart Katz

Custom Sku: 43113-0729-2025STX

$2,350.00

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Mint 775 X 22¢ Stamps - DISCOUNT Postage Lot - Face Value $170.50 - Stuart Katz

Custom Sku: 43135-0730-2025ST

$105.00

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