United States

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E4, Mint VF-XF LH 10¢ Special Delivery Stamp Cat $850.00 - Stuart Katz
$600.00
3054d, 32c Rose - RARE BLACK COLOR OMITTED MAJOR ERROR PAIR - Stuart Katz
$1,175.00
K16, Mint $2 SHANGHAI - VF OG NH - RARE Cat $1,000.00 - Stuart Katz
$550.00
R151a, 2¢ F/VF With RARE INVERTED CENTER ERROR Cat $800.00 - Stuart Katz
$495.00
1756, HUGE Misperforation Error 15¢ George M Cohan Mint NH --- Stuart Katz
$23.45
537, Mint 3¢ VF NH Block of Four Liberty Stamps Cat $80.00+ - Stuart Katz
$50.00
1335, 99% of Gold Color Omitted Plate Block ERROR Unlisted Variety - Stuart Katz
$188.00
72, Used 90¢ Washington VF Stamp Strong Colors Cat $575.00 - Stuart Katz
$495.00
810, Mint NH Block of 70 Dramatically Over Inked 5¢ Stamps - Stuart Katz
$93.06
419 XF OG NH Plate # Copy! - Post Office Fresh! Premium Stamp! - Stuart Katz
$525.00
PS6 Mint 10¢ F/VF NH Top Plate Block of Six Stamps Scarce! Cat $150. Stuart Katz
$110.00
2019 Purple Heart Medal of Honor Sheet of 20 - Postage Stamps Scott 5419
$18.69
383V, Mint VF NH Imperforate Coil Vertical Paste-Up Strip of Four -- Stuart Katz
$49.95
1455 Var, Mint NH 8c - DRAMATIC BLACK COLOR SHIFT ERROR PAIR - Stuart Katz
$18.75
Peace Rose Wedding Book of 20 GENUINE - Stamps Scott 5280
$23.39
5010-11 World Stamp Show NY NDC Press Sheet of Six Panes of 20 - Stamps
$110.00
Celebrate Sheet of 20 Current Rate Postage Stamps Scott 5434 - Stuart Katz
$21.51
Glade Creek Grist Mill $5.75 Priority Press Sheet of Six Panes of 10 Stamps Each
$396.00
C87, 18¢ Statue of Liberty Color Shift ERROR Airmail Zip Block - Stuart Katz
$117.50
C87, 18¢ Statue of Liberty HUGE Color Shift ERROR Margin Block - Stuart Katz
$235.00
1529, Mint NH 10¢ Shifted Well Down Zip Block Skylab Stamps - Stuart Katz
$164.50
1509, Mint 10¢ Blue Color Shifted Down Error Block of Four W/Normal Stuart Katz
$37.55
Literary Arts Flannery O'Connor NDC Press Sheet of Six (3 Oz Rate) Panes of 20
$167.16
C81, Mint NH 21¢ Printing Fold Makes for Color Shift Error Pair - Stuart Katz
$51.70
All Aboard Railroad Press Sheet of Six Panes of Twenty 33 Cent Stamps Scott 3337
$58.92
483, Mint XF LH 3¢ Plate Block of Six Stamps Cat $125.00 -- Stuart Katz
$75.00
C19, Mint XF/Superb NH 6¢ "Wings" Airmail Stamp - Stuart Katz
$75.00
495, Mint VF/XF NH 4¢ Coil Pair Very Well Centered! -- Stuart Katz
$49.95
1580, Mint NH 10¢ Large Misperforation Error Pair WoW - Stuart Katz
$37.55
484, Mint XF LH 3¢ Plate Block of Six Stamps Cat $95.00 -- Stuart Katz
$65.00
1580, Mint NH 10¢ Large Misperforation Error Pair WoW -- Stuart Katz
$37.55
484, Mint XF LH 3¢ Top Plate Block of Six Stamps Cat $95.00 - Stuart Katz
$75.00
483, Mint XF LH 3¢ Plate Block of Six Stamps Cat $125.00 -*- Stuart Katz
$75.00
329, Mint HR Three Fresh Stamps! PRICED LOW Cat $90.00 - Stuart Katz
$22.95
617, Mint Superb NH 1¢ Lexington Stamp - A GEM - Stuart Katz
$99.00
920a, Reverse Printing of Flag Colors VF NH With APS Certificate --- Stuart Katz
$141.00
Hawaiian Missionary Uncut Press Sheet of 6 Panes of 4 Stamps Each Scott 3694
$26.36
585, Mint NH 4¢ Strip of Three - Priced Very Low! Cat $112.50 - Stuart Katz
$39.95
Edward G. Robinson Press Sheet Sheet Six Panes CV $350 Scott 3446 - Stuart Katz
$154.00
165, Used 30¢ Nice Sound Stamp NYFM Cancel Cat $135.00+ - Stuart Katz
$39.95
165, Used 30¢ Nice Sound Stamp Cat $135.00 * Stuart Katz
$34.95
151, Used 12¢ VF Nicely Centered Cat $200.00 - Stuart Katz
$99.00
1281, Mint NH 3¢ Gutter Block Showing "EE" Markings RARE ERROR - Stuart Katz
$277.30
151, Used 12¢ F/VF Nicely Centered Cat $200.00 - Stuart Katz
$75.00
Polar Year Screen Uncut Press Sheet of 15 Souvenir Sheets Scott 4123 Stuart Katz
$35.16
Cowboys of the Silver Screen Press Sheet of 9 Panes Scott 4446-49 - Stuart Katz
$198.00
3987-94 Favorite Children's Book Animals Uncut Press Sheet of 6 Panes
$96.80
4805 War of 1812 Battle of Lake Erie Uncut Press Sheet of 6 Panes No Die Cuts
$96.80
528, Mint NH VF 2¢ Plate Block of Six Stamps --- Stuart Katz
$120.00
495, Mint XF NH 4¢ Coil Pair Very Well Centered! *** Stuart Katz
$49.95
584, Mint VF/XF NH 3¢ Block of 6 Stamps CV $360.00 - Stuart Katz
$249.00
Space Firsts Mercury Mission Sheet of 20 Current Rate Stamps Scott 4528
$19.63
495, Mint VF NH 4¢ Coil Pair Very Well Centered! -*- Stuart Katz
$39.95
535, Mint 3¢ VF NH Imperforate Margin Block of Four - Stuart Katz
$59.95
394, Mint NH VF+ Line Pair Pristine GEM! CV $925 - Stuart Katz
$550.00
603, Mint 10¢ Superb NH Coil Pair GEM!!! - Stuart Katz
$69.95
384V, Mint NH Imperforate Coil Vertical Paste-Op Strip of Four - Stuart Katz
$45.00
528, Mint NH VF 2¢ Plate Block of Six Stamps - Stuart Katz
$140.00
441, Mint XF/Superb NH 1¢ Coil Pair Very Well Centered! - Stuart Katz
$59.95
701, Mint VF/XF NH 50¢ Plate Block of Four Just Beautiful! - Stuart Katz
$175.00
484, Mint NH Superb 3¢ Plate Block of Six Stamps - Stuart Katz
$135.00
405b, Mint NH 1¢ Booklet Pane of Six With PL# Cat $110.00 - Stuart Katz
$65.00
409, Mint NH XF 2¢ Top Imprint & A Plate Block of Six - Stuart Katz
$49.95
601, Mint 4¢ VF NH Lot of Four Coil Pairs Cat $66.00 - Stuart Katz
$32.95
484, Mint NH Superb 3¢ Plate Block of Six Stamps -- Stuart Katz
$135.00
408, Mint NH Superb 1¢ TOP Plate Block of Six Stamps - Stuart Katz
$55.00
Walt Whitman (3 Ounce Rate) - Pane of 20 Postage Stamps Scott 5414
$30.97
425, Mint NH VF 2¢ Plate Block of Six Cat $75.00 - Stuart Katz
$49.95
The War of 1812: Fort McHenry Sheet of 20 Current Rate Postage Stamps Scott 4921
$19.63
C90, 31¢ Airmail SPECTACULAR Two Way Misperforated Error Mint NH - Stuart Katz
$117.50
213 THREE Mint Never Hinged Stamps - PRICED RIGHT! Cat $360.00 - Stuart Katz
$60.00
69, Used 12¢ VF-XF With Black & Red Cancels Cat $130.00 - Stuart Katz
$60.00
152, Used 15¢ F/VF With NY Foreign Mail Cancel Cat $210.00 - Stuart Katz
$55.00
1727, MNH - BROWN COLOR SHIFT ERROR PLATE BLOCK & SINGLE - RARE! - Stuart Katz
$93.06
1363, 6¢ With Very Strange Inking Error ??? With Normal Mint NH * Stuart Katz
$131.60
1860, MNH - RARE PERFORATION SHIFT ERROR BLOCK OF 20 STAMPS & Sng - Stuart Katz
$93.95
1756, LARGE PERFORATION ERROR SHIFT BLK GEORGE M COHAN
$56.40
1262, 5¢ Pair With Huge Scarce Misperforation Error Mint NH * Stuart Katz
$56.40
2015, AMAZING MISPERFORATION ERROR PLATE BLOCK LIBRARY
$56.40
1690, 13¢ Outstanding Color Shift Error Pair With Normal * Stuart Katz
$56.40
3453a, Mint NH 34¢ Liberty Imperforate Pair EXTREMEMLY RARE ERROR - Stuart Katz
$517.00
1861, 20¢ Inscription captured Zip Block Of Six Error Small And Big Stamps!
$56.40
K3, Mint 6¢ on 3¢ VF OG NH - Nice Fresh Stamp CV $140.00 - Stuart Katz
$120.00
484, Used 3¢ Superb Center Line Block of Four Scarce! - Stuart Katz
$95.00
2051a, Misperforation ERROR PL# Block of 25 Stamps 13¢ Olympics - Stuart Katz
$277.30
396, Used 5¢ RARE VF Coil Line Pair CV $825.00 - Stuart Katz
$495.00
530, Unbelievable Misperforation Error Plate Block of 8 Stamps WoW - Stuart Katz
$220.90
1949a, Misperforated Error Booklet Pane of 10 - Mint NH - Stuart Katz
$32.79
383, Used 1¢ Superb Center Line Block of Four Scarce! - Stuart Katz
$50.00
R64a, Used Superb 60¢ Revenue Imperforate Stamp A GEM - Stuart Katz
$130.00
RK25, Used $5 Foreign Service Consular Revenue Stamp CV $140 - Stuart Katz
$95.00
487, Mint VF/XF NH Scarce Coil Pair Post Office Fresh - Stuart Katz
$125.00
RD328, Mint VF OG NH $10 Stock Transfer Revenue Stamp CV $175 - Stuart Katz
$140.00
1271a Gold Color Omitted MAJOR ERROR - 5¢ Florida With Normal - Stuart Katz
$155.10
RG83-99, Mint OG LH Silver Tax Stamps - Very Fresh! Cat $1508.00 - Stuart Katz
$995.00
1863g, RARE IMPERFORATE VERT PAIR IN COMPLETE SHEET MAJOR ERROR - JUST TWO KNOWN
$4,230.00
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