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Grade
Certification
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United States

Products found: 21838
Newest Items First
96 Per Page
Complete Mint WW II – 50th Anniversary Series Set of Five Panes of Ten Stamps
SK-24179
$29.95
Best Offer
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443, Used 1¢ VF Scarce Coil - Stuart Katz
SK-27668
$35.00
Best Offer
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493, Used 3c XF Scarce Coil Pair - Stuart Katz
SK-27660
$95.00
Best Offer
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1420, MNH 6¢ HUGE Misperfed Error Plate Block of Four - Pilgrims - Stuart Katz
SK-27989
$195.00
Best Offer
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1858, MNH 18¢ HUGE Misperfed Error Plate Block of Four - Stuart Katz
SK-27990
$125.00
Best Offer
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1408, 6¢ Large Misperf Error Mint NH Stone Mountain - Stuart Katz
SK-27638
$29.95
Best Offer
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1632, 13¢ Massive Color Shift Error Mint NH With Normal - Stuart Katz
SK-27643
$75.00
Best Offer
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489, Mint NH 3¢ VF Group of Three Coil Pairs Cat $67.50 - Stuart Katz
SK-27610
$40.00
Best Offer
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489, Mint NH 3¢ F-VF Group of Six Coil Pairs Cat $135.00 - Stuart Katz
SK-27609
$55.00
Best Offer
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1720a, MNH 13¢ HUGE Misperfed Error Block of Four - Stuart Katz
SK-27993
$75.00
Best Offer
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2088, Mint NH 20¢ Misperfed Error Plate Block of Four - Stuart Katz
SK-27986
$90.00
Best Offer
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488, Mint NH 2¢ Coil Group of 5 F-VF Pairs & Single CV $94.00 - Stuart Katz
SK-27616
$55.00
Best Offer
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C98, Color Shift Philip Mazzei Plate Block of 12 40 Cent Airmail Postage Stamps
SK-27327
$450.00
Best Offer
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815, 10¢ Scarce Large Misperf Error Block of Six Mint NH - Stuart Katz
SK-27631
$185.00
Best Offer
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634, MNH 2¢ Misperfed Error Electric Eye PB/6 With PL# Captured - Stuart Katz
SK-27982
$125.00
Best Offer
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656, Mint 2¢ VF NH GEM Coil Strip of 4 - Stuart Katz
SK-27620
$50.00
Best Offer
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C81, MNH 21¢ HUGE Color Shift Error Plate Block of Four - Air Mail - Stuart Katz
SK-27996
$350.00
Best Offer
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426, Mint 3¢ VF NH Block of Six With Initials CV $210.00+ - Stuart Katz
SK-27573
$175.00
Best Offer
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2065, MNH 20¢ Misperfed Error Plate Block With PL# Captured - Stuart Katz
SK-27981
$150.00
Best Offer
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1338Fi, 8¢ Flag Imperforate PL# Strip of 20 Stamps CV $600.00 - Stuart Katz
SK-27545
$450.00
Best Offer
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1789Ad, Mint NH 15¢ Imperforate Between Error Zip Block - Stuart Katz
SK-27528
$175.00
Best Offer
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2479, 19¢ Fawn With Large Color Shift Error Sheet of 100 Stamps - Stuart Katz
SK-27501
$750.00
Best Offer
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1007, RARE Mispered 3¢ Error Sheet of 50 Stamps Mint NH - Stuart Katz
SK-27521
$595.00
Best Offer
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2072a, PL# Strip of 20 Imperforate Between Error 20¢ Love RARE! - Stuart Katz
SK-27489
$895.00
Best Offer
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1789Pg, Complete Imperforate Proof Sheet of 100 Stamps MNH CV $2500+ Stuart Katz
SK-27504
$1,400.00
Best Offer
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1894a, Complete Imperforate Error Sheet of 100 Stamps MNH CV $1875+ Stuart Katz
SK-27495
$1,250.00
Best Offer
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1551a, Buff Color Omitted Sheet of 50 Stamps APS Cert CV $625 -Stuart Katz
SK-27494
$225.00
Best Offer
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1547c, Green Omitted Error On Commemorative USPS Panel RARE! - Stuart Katz
SK-27524
$195.00
Best Offer
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1843a, 15¢ Imperforate PL# Strip of 20 Stamps CV $500.00 - Stuart Katz
SK-27551
$375.00
Best Offer
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587, Mint 6¢ XF NH Plate Block of 4 CV $325.00 - Stuart Katz
SK-27565
$175.00
Best Offer
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2094 Var, Five Full Gutter Pairs In Full Sheet - UNIQUE & UNLISTED - Stuart Katz
SK-27532
$3,500.00
Best Offer
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1356, Mint Misperfed Complete Sheet of 50 Stamps 6¢ Marquette - Stuart Katz
SK-27355
$495.00
Best Offer
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1323, Misperforated Error Sheet of 50 5¢ Stamps REMARKABLE! - Stuart Katz
SK-27486
$1,500.00
Best Offer
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583, Mint 2¢ XF NH Plate Block of 4 - A GEM! - Stuart Katz
SK-27569
$200.00
Best Offer
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1767a, RARE Mispered 15¢ Trees Pane of 40 Stamps Mint NH - Stuart Katz
SK-27520
$750.00
Best Offer
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1842a, Mint 15¢ Imperforate Pane of 50 Stamps - Stuart Katz
SK-27533
$795.00
Best Offer
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1582, 2¢ With Large Perf Shift Error Sheet of 100 Stamps - Stuart Katz
SK-27502
$495.00
Best Offer
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499, Imperforate at Top Plate Block of 20 Stamps ERROR - Stuart Katz
SK-27499
$450.00
Best Offer
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The Art Magic Souvenir Sheet of 3 - Stamps Scott 5306
5306
$6.95
Best Offer
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1338Fj, Flag Imperforate Between PL# Strip of 20 Stamps CV $450.+ - Stuart Katz
SK-27546
$350.00
Best Offer
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J97, Scarce Misperfed Error Block of 4 10¢ Postage Dues MNH - Stuart Katz
SK-27441
$40.00
Best Offer
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Yellow Rose Pane of Twenty 32 Cent Postage Stamps 3049a
3049a
$16.95
Best Offer
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1863, 22¢ Scarce Misperfed Bottom Margin Block Error Mint NH - Stuart Katz
SK-27450
$39.95
Best Offer
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1824, MNH 15¢ Helen Keller Perf Shift Error Full Sheet of 50 Stamps Stuart Katz
SK-27905
$295.00
Best Offer
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1729a, MNH 13¢ Imperforate Between PL# Block of 20 Stamps - Stuart Katz
SK-27896
$350.00
Best Offer
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2141a, Mint NH 22¢ Misperfed Shift Error Block of Six Decoy Ducks - Stuart Katz
SK-27481
$50.00
Best Offer
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1768, MNH 15¢ Perf Shift Error Full Sheet of 100 Stamps - Stuart Katz
SK-27909
$795.00
Best Offer
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1767a, Mint NH 15¢ Misperfed Shift Error Block Trees -- Stuart Katz
SK-27480
$125.00
Best Offer
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1451a, MNH HUGE Color Shift Error Plate Block Normal Included WoW - Stuart Katz
SK-27476
$125.00
Best Offer
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1758, HUGE Misperfed Error Pair 15¢ Photography PL# Captured MNH - Stuart Katz
SK-27405
$75.00
Best Offer
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1789, MNH 15¢ Dramatic Misperf Error In PB Block of 20 Stamps - Stuart Katz
SK-27902
$395.00
Best Offer
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1824, 15¢ Pre Printing Paper Fold Error In PB Block of 20 Stamps - Stuart Katz
SK-27903
$349.00
Best Offer
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2093, 20¢ Hard to Find Misperfed Error Pair Mint NH - Stuart Katz
SK-27424
$40.00
Best Offer
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C104a, Mint NH 28¢ Airmail Misperf Block of Four Error Stamps - Stuart Katz
SK-27473
$49.95
Best Offer
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1763a, Mint NH 15¢ Large Color Shift Error Plate Block Owls - Stuart Katz
SK-27474
$75.00
Best Offer
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1596, MNH 13¢ Eagle Scarce Over Inking Error Sheet of 100 Stamps - Stuart Katz
SK-27898
$295.00
Best Offer
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Ursula K. Le Guin Sheet of 20 Three Ounce Rate - Postage Stamps Scott 5619
5619
$36.88
Best Offer
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Western Wear Booklet Pane of 20 Current Rate Postage Stamps Scott 5618a
5618a
$20.88
Best Offer
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Mid Atlantic Lighthouses Sheet of 20 Current Rate Postage Stamps Scott 5621-25
5621-5
$20.88
Best Offer
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C51, Mint NH 7¢ Two Way Misperf Error Block of Four Stamps - Stuart Katz
SK-27351
$59.95
Best Offer
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1452, Mint 6¢ Plate Block With A HUGE Color Shift Error - WoW - Stuart Katz
SK-27353
$249.00
Best Offer
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1856, Freak Perforations & Fold Over Error Sheet of 100 - Stuart Katz
SK-27320
$950.00
Best Offer
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1556b, Mint VF NH 10¢ Dark Blue Color Omitted Error W/Normal - Stuart Katz
SK-27338
$389.00
Best Offer
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RW5, Mint F/VF LH Federal Duck Stamp Cat $200.00 - Stuart Katz
SK-21748
$99.00
Best Offer
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Tap Dancing Full Sheet of 20 Current Rate Postage Stamps Scott 5609-13
5609-13
$20.88
Best Offer
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Country and Western Music Legends 29 Cent Sheet of 20 Postage Scott 2771-74
2771-74
$12.95
Best Offer
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2561, Mint NH Huge Black 29¢ Color Shift Error Sheet of 50 - Stuart Katz
SK-25737
$1,995.00
Best Offer
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1150, Mint NH Misperforated Error Block 4¢ Water Conservation - Stuart Katz
SK-25739
$125.00
Best Offer
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C18, Mint VF/XF NH 50¢ Block of Four Stamps Cat $300.00 - Stuart Katz
SK-25601
$199.00
Best Offer
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535, Mint VF-XF NH 3¢ Imperforate Block of Four -- Stuart Katz
SK-25898
$89.95
Best Offer
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C22, Mint F/VF NH 50¢ Top Plate Block of Six Stamps ^^ Stuart Katz
SK-25712
$55.00
Best Offer
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1008, MNH NATO Stamp Printed on Very Thin Paper ERROR -- Stuart Katz
SK-11049
$125.00
Best Offer
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5393a, Mint XF NH Imperforate Pair Error George Bush - Stuart Katz
SK-25694
$1,250.00
Best Offer
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QE2a (wet) Mint NH Sheet of Fifty 10¢ Special Handling -- Stuart Katz
SK-25443
$165.00
Best Offer
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C21, Mint VF NH 20¢ BottomPlate Block of Six Stamps -- Stuart Katz
SK-25725
$65.00
Best Offer
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656, Mint NH 2¢ Edison Joint Line Coil Pair - Stuart Katz
SK-26190
$35.00
Best Offer
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C22, Mint VF NH 50¢ Top Plate Block of Six Stamps ^ Stuart Katz
SK-25710
$65.00
Best Offer
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1525, Mint NH 10¢ Misperfed Error VFW Anniversary - Stuart Katz
SK-26039
$29.95
Best Offer
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628, Mint XF NH Well Centered Precise Margins - Stuart Katz
SK-25629
$29.95
Best Offer
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QE1a (wet) Mint NH Sheet of Fifty 10¢ Special Handling - Stuart Katz
SK-25440
$195.00
Best Offer
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1249, Mint NH 5¢ Misperforated Error Plate Block Register to Vote - Stuart Katz
SK-25733
$125.00
Best Offer
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C21, Mint VF NH 20¢ BottomPlate Block of Six Stamps - Stuart Katz
SK-25724
$65.00
Best Offer
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723, Mint VF NH 6¢ Pretty Coil Pair - Stuart Katz
SK-26198
$18.00
Best Offer
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658-68, Mint F/VF NH Complete Set Kans Overprints - Stuart Katz
SK-26213
$250.00
Best Offer
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753, Mint VF NH Bottom Arrow Block of Four Cat $70.00 -- Stuart Katz
SK-26066
$49.95
Best Offer
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576, Mint XF NH 1-1/2¢ Top Plate Block of Six Stamps - Stuart Katz
SK-26168
$40.00
Best Offer
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C22, Mint VF NH 50¢ Bottom Plate Block of Six Stamps - Stuart Katz
SK-25719
$65.00
Best Offer
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566, Mint VF NH 15¢ Corner Margin Pair CV $70.00 - Stuart Katz
SK-26158
$40.00
Best Offer
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1252, Mint VF NH Blue Color Omitted ERROR 5¢ American Music -- Stuart Katz
SK-25655
$450.00
Best Offer
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1033, Mint NH 2¢ Jefferson Dramatic Misperfed Error - Stuart Katz
SK-26034
$19.95
Best Offer
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1405, Massive Pre Printing Paper Fold Error In Block WoW - Stuart Katz
SK-25734
$295.00
Best Offer
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C22, Mint VF NH 50¢ Top Plate Block of Six Stamps --*** Stuart Katz
SK-25707
$65.00
Best Offer
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654, Mint VF NH 2¢ Wide Top Plate Block of Six Stamps - Stuart Katz
SK-26073
$40.00
Best Offer
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C22, Mint VF NH 50¢ Top Plate Block of Six Stamps --****- Stuart Katz
SK-25704
$65.00
Best Offer
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C22, Mint VF NH 50¢ Top Plate Block of Six Stamps --** Stuart Katz
SK-25706
$65.00
Best Offer
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584, Mint VF NH 3¢ Lincoln Block of Four Stamps - Stuart Katz
SK-26211
$150.00
Best Offer
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188 - 202  Prev
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