United States

163, Used 15¢ VF Nice Centering And Deep Rich Color Cat $150.00 - Stuart Katz

$100.00

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E3, Mint VF OG LH 10¢ Special Delivery Stamp Cat $300.00 - Stuart Katz

$225.00

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606a, MNH VF 2¢ RARE Carmine Lake Shade Line Strip/4 PSE Cat $1,115 Stuart Katz

$750.00

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85B Used 2¢ "D" Grill - Nice Looking and Sound Cat $1,300.00 - Stuart Katz

$650.00

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77//277 Early Used Stamp Group - Nice Appearing Cat $3,800.00 - Stuart Katz

$695.00

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E4, Mint VF-XF LH 10¢ Special Delivery Stamp Cat $850.00 - Stuart Katz

$600.00

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3054d, 32c Rose - RARE BLACK COLOR OMITTED MAJOR ERROR PAIR - Stuart Katz

$1,175.00

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K16, Mint $2 SHANGHAI - VF OG NH - RARE Cat $1,000.00 - Stuart Katz

$550.00

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R151a, 2¢ F/VF With RARE INVERTED CENTER ERROR Cat $800.00 - Stuart Katz

$495.00

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1756, HUGE Misperforation Error 15¢ George M Cohan Mint NH --- Stuart Katz

$23.45

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537, Mint 3¢ VF NH Block of Four Liberty Stamps Cat $80.00+ - Stuart Katz

$50.00

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1335, 99% of Gold Color Omitted Plate Block ERROR Unlisted Variety - Stuart Katz

$188.00

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72, Used 90¢ Washington VF Stamp Strong Colors Cat $575.00 - Stuart Katz

$495.00

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810, Mint NH Block of 70 Dramatically Over Inked 5¢ Stamps - Stuart Katz

$93.06

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419 XF OG NH Plate # Copy! - Post Office Fresh! Premium Stamp! - Stuart Katz

$525.00

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PS6 Mint 10¢ F/VF NH Top Plate Block of Six Stamps Scarce! Cat $150. Stuart Katz

$110.00

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2019 Purple Heart Medal of Honor Sheet of 20 - Postage Stamps Scott 5419

$18.69

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383V, Mint VF NH Imperforate Coil Vertical Paste-Up Strip of Four -- Stuart Katz

$49.95

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1455 Var, Mint NH 8c - DRAMATIC BLACK COLOR SHIFT ERROR PAIR - Stuart Katz

$18.75

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Peace Rose Wedding Book of 20 GENUINE - Stamps Scott 5280

$23.39

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5010-11 World Stamp Show NY NDC Press Sheet of Six Panes of 20 - Stamps

$110.00

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Celebrate Sheet of 20 Current Rate Postage Stamps Scott 5434 - Stuart Katz

$21.51

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Glade Creek Grist Mill $5.75 Priority Press Sheet of Six Panes of 10 Stamps Each

$396.00

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C87, 18¢ Statue of Liberty Color Shift ERROR Airmail Zip Block - Stuart Katz

$117.50

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C87, 18¢ Statue of Liberty HUGE Color Shift ERROR Margin Block - Stuart Katz

$235.00

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1529, Mint NH 10¢ Shifted Well Down Zip Block Skylab Stamps - Stuart Katz

$164.50

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1509, Mint 10¢ Blue Color Shifted Down Error Block of Four W/Normal Stuart Katz

$37.55

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Literary Arts Flannery O'Connor NDC Press Sheet of Six (3 Oz Rate) Panes of 20

$167.16

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C81, Mint NH 21¢ Printing Fold Makes for Color Shift Error Pair - Stuart Katz

$51.70

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All Aboard Railroad Press Sheet of Six Panes of Twenty 33 Cent Stamps Scott 3337

$58.92

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483, Mint XF LH 3¢ Plate Block of Six Stamps Cat $125.00 -- Stuart Katz

$75.00

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C19, Mint XF/Superb NH 6¢ "Wings" Airmail Stamp - Stuart Katz

$75.00

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495, Mint VF/XF NH 4¢ Coil Pair Very Well Centered! -- Stuart Katz

$49.95

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1580, Mint NH 10¢ Large Misperforation Error Pair WoW - Stuart Katz

$37.55

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484, Mint XF LH 3¢ Plate Block of Six Stamps Cat $95.00 -- Stuart Katz

$65.00

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1580, Mint NH 10¢ Large Misperforation Error Pair WoW -- Stuart Katz

$37.55

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484, Mint XF LH 3¢ Top Plate Block of Six Stamps Cat $95.00 - Stuart Katz

$75.00

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483, Mint XF LH 3¢ Plate Block of Six Stamps Cat $125.00 -*- Stuart Katz

$75.00

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329, Mint HR Three Fresh Stamps! PRICED LOW Cat $90.00 - Stuart Katz

$22.95

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617, Mint Superb NH 1¢ Lexington Stamp - A GEM - Stuart Katz

$99.00

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920a, Reverse Printing of Flag Colors VF NH With APS Certificate --- Stuart Katz

$141.00

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Hawaiian Missionary Uncut Press Sheet of 6 Panes of 4 Stamps Each Scott 3694

$26.36

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585, Mint NH 4¢ Strip of Three - Priced Very Low! Cat $112.50 - Stuart Katz

$39.95

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Edward G. Robinson Press Sheet Sheet Six Panes CV $350 Scott 3446 - Stuart Katz

$154.00

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165, Used 30¢ Nice Sound Stamp NYFM Cancel Cat $135.00+ - Stuart Katz

$39.95

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165, Used 30¢ Nice Sound Stamp Cat $135.00 * Stuart Katz

$34.95

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151, Used 12¢ VF Nicely Centered Cat $200.00 - Stuart Katz

$99.00

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1281, Mint NH 3¢ Gutter Block Showing "EE" Markings RARE ERROR - Stuart Katz

$277.30

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151, Used 12¢ F/VF Nicely Centered Cat $200.00 - Stuart Katz

$75.00

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Polar Year Screen Uncut Press Sheet of 15 Souvenir Sheets Scott 4123 Stuart Katz

$35.16

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Cowboys of the Silver Screen Press Sheet of 9 Panes Scott 4446-49 - Stuart Katz

$198.00

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3987-94 Favorite Children's Book Animals Uncut Press Sheet of 6 Panes

$96.80

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4805 War of 1812 Battle of Lake Erie Uncut Press Sheet of 6 Panes No Die Cuts

$96.80

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528, Mint NH VF 2¢ Plate Block of Six Stamps --- Stuart Katz

$120.00

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495, Mint XF NH 4¢ Coil Pair Very Well Centered! *** Stuart Katz

$49.95

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584, Mint VF/XF NH 3¢ Block of 6 Stamps CV $360.00 - Stuart Katz

$249.00

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Space Firsts Mercury Mission Sheet of 20 Current Rate Stamps Scott 4528

$19.63

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495, Mint VF NH 4¢ Coil Pair Very Well Centered! -*- Stuart Katz

$39.95

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535, Mint 3¢ VF NH Imperforate Margin Block of Four - Stuart Katz

$59.95

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394, Mint NH VF+ Line Pair Pristine GEM! CV $925 - Stuart Katz

$550.00

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603, Mint 10¢ Superb NH Coil Pair GEM!!! - Stuart Katz

$69.95

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384V, Mint NH Imperforate Coil Vertical Paste-Op Strip of Four - Stuart Katz

$45.00

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528, Mint NH VF 2¢ Plate Block of Six Stamps - Stuart Katz

$140.00

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441, Mint XF/Superb NH 1¢ Coil Pair Very Well Centered! - Stuart Katz

$59.95

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701, Mint VF/XF NH 50¢ Plate Block of Four Just Beautiful! - Stuart Katz

$175.00

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484, Mint NH Superb 3¢ Plate Block of Six Stamps - Stuart Katz

$135.00

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

$65.00

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409, Mint NH XF 2¢ Top Imprint & A Plate Block of Six - Stuart Katz

$49.95

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601, Mint 4¢ VF NH Lot of Four Coil Pairs Cat $66.00 - Stuart Katz

$32.95

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484, Mint NH Superb 3¢ Plate Block of Six Stamps -- Stuart Katz

$135.00

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408, Mint NH Superb 1¢ TOP Plate Block of Six Stamps - Stuart Katz

$55.00

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Walt Whitman (3 Ounce Rate) - Pane of 20 Postage Stamps Scott 5414

$30.97

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425, Mint NH VF 2¢ Plate Block of Six Cat $75.00 - Stuart Katz

$49.95

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The War of 1812: Fort McHenry Sheet of 20 Current Rate Postage Stamps Scott 4921

$19.63

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C90, 31¢ Airmail SPECTACULAR Two Way Misperforated Error Mint NH - Stuart Katz

$117.50

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213 THREE Mint Never Hinged Stamps - PRICED RIGHT! Cat $360.00 - Stuart Katz

$60.00

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69, Used 12¢ VF-XF With Black & Red Cancels Cat $130.00 - Stuart Katz

$60.00

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152, Used 15¢ F/VF With NY Foreign Mail Cancel Cat $210.00 - Stuart Katz

$55.00

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1727, MNH - BROWN COLOR SHIFT ERROR PLATE BLOCK & SINGLE - RARE! - Stuart Katz

$93.06

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1363, 6¢ With Very Strange Inking Error ??? With Normal Mint NH * Stuart Katz

$131.60

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1860, MNH - RARE PERFORATION SHIFT ERROR BLOCK OF 20 STAMPS & Sng - Stuart Katz

$93.95

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1756, LARGE PERFORATION ERROR SHIFT BLK GEORGE M COHAN

$56.40

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1262, 5¢ Pair With Huge Scarce Misperforation Error Mint NH * Stuart Katz

$56.40

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2015, AMAZING MISPERFORATION ERROR PLATE BLOCK LIBRARY

$56.40

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1690, 13¢ Outstanding Color Shift Error Pair With Normal * Stuart Katz

$56.40

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3453a, Mint NH 34¢ Liberty Imperforate Pair EXTREMEMLY RARE ERROR - Stuart Katz

$517.00

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1861, 20¢ Inscription captured Zip Block Of Six Error Small And Big Stamps!

$56.40

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K3, Mint 6¢ on 3¢ VF OG NH - Nice Fresh Stamp CV $140.00 - Stuart Katz

$120.00

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484, Used 3¢ Superb Center Line Block of Four Scarce! - Stuart Katz

$95.00

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2051a, Misperforation ERROR PL# Block of 25 Stamps 13¢ Olympics - Stuart Katz

$277.30

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396, Used 5¢ RARE VF Coil Line Pair CV $825.00 - Stuart Katz

$495.00

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530, Unbelievable Misperforation Error Plate Block of 8 Stamps WoW - Stuart Katz

$220.90

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1949a, Misperforated Error Booklet Pane of 10 - Mint NH - Stuart Katz

$32.79

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383, Used 1¢ Superb Center Line Block of Four Scarce! - Stuart Katz

$50.00

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R64a, Used Superb 60¢ Revenue Imperforate Stamp A GEM - Stuart Katz

$130.00

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RK25, Used $5 Foreign Service Consular Revenue Stamp CV $140 - Stuart Katz

$95.00

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