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Grade
Certification
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United States

Products found: 21842
Newest Items First
96 Per Page
1280, Mint NH 2¢ Misperfed Error Plate Block of Four - Stuart Katz
SK-27984
$125.00
Best Offer
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C78, MNH 11¢ Misperfed Error Plate Block of Four Airmail Stamps - Stuart Katz
SK-27991
$150.00
Best Offer
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2145, 22¢ Large Color Shift Error Mint NH With Normal - Stuart Katz
SK-27650
$49.95
Best Offer
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806, Mint 2¢ Two Way Misperf Block of Four Error -- Stuart Katz
SK-27628
$50.00
Best Offer
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1731, Mint NH 13¢ Misperfed Error Plate Block of Four - Stuart Katz
SK-27985
$125.00
Best Offer
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378, 5¢ RARE Misperf Error Strip of Three Mint NH/LH - WoW - Stuart Katz
SK-27647
$175.00
Best Offer
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C90, MNH 31¢ Misperfed Error Plate Block of Four Airmail Stamps - Stuart Katz
SK-27992
$125.00
Best Offer
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1597b, Two Grey Color Omitted Errors in Transitional Strip - Stuart Katz
SK-27512
$550.00
Best Offer
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1067, Mint NH 3¢ Misperfed Error Plate Block of Four - Stuart Katz
SK-27988
$125.00
Best Offer
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2165a, 22¢ Imperforate PL# Strip of 20 Stamps CV $550.+ - Stuart Katz
SK-27547
$425.00
Best Offer
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2166a, Imperforate Error Plate# Strip of 20 Stamps MNH CV $500+ Stuart Katz
SK-27507
$400.00
Best Offer
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527, Mint 2¢ F/VF NH Plate Block of Six CV $350.00 - Stuart Katz
SK-27570
$150.00
Best Offer
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2111, Red Tape Splice on "D" Stamp Sheet of 100 Scarce! - Stuart Katz
SK-27488
$750.00
Best Offer
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1729a, Imperforate PL# Strip of 20 Stamps CV $500.00+ - Stuart Katz
SK-27541
$350.00
Best Offer
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1007, RARE Mispered 3¢ Error Sheet of 50 Stamps Mint NH -- Stuart Katz
SK-27522
$550.00
Best Offer
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1919a, Vertical Perf Shift ERROR & Vertical Gutter Sheet - Stuart Katz
SK-27496
$595.00
Best Offer
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C11, HUGE COLOR SHIFT MAJOR ERROR PLATE BLOCK - 5¢ Beacon - Stuart Katz
SK-27356
$1,495.00
Best Offer
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2165a, Complete Imperforate Error Sheet of 50 Stamps MNH CV $1250+ Stuart Katz
SK-27492
$995.00
Best Offer
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590, Mint 9¢ F/VF NH Plate Block of Four CV $225.00 - Stuart Katz
SK-27574
$125.00
Best Offer
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2492a, Scarce Die Cutting Shifted Complete Pane of 20 32¢ Stamps - Stuart Katz
SK-27514
$99.00
Best Offer
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1622Cd, Most Likely Unique Imperforate Pane of 100 CV $5625.00 - Stuart Katz
SK-27530
$1,895.00
Best Offer
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1394, Vertical Perf Shift ERROR Complete Sheet of 100 8¢ IKE - Stuart Katz
SK-27497
$550.00
Best Offer
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1527, Large Misperforation 10¢ Envirement Error Pair Mint NH - Stuart Katz
SK-27498
$59.95
Best Offer
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2414, 25¢ HUGE Gold Color Shift Error NEW FIND! - Mint NH -- Stuart Katz
SK-07806
$60.00
Best Offer
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1473, Misperforated Error Pharmacy Sheet of 50 8¢ Stamps - Stuart Katz
SK-27487
$2,500.00
Best Offer
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1597b, Grey Color Omitted Error in Transitional Strip CV $600.00 - Stuart Katz
SK-27511
$195.00
Best Offer
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1509a, Imperforate Between Errors in Complete Pane of 100 RARE - Stuart Katz
SK-27515
$1,500.00
Best Offer
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586, Mint 5¢ VF NH Plate Block of 4 CV $425.00 - Stuart Katz
SK-27567
$325.00
Best Offer
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583, Mint 2¢ F/VF NH Plate Block of 4 CV $110.00 - Stuart Katz
SK-27568
$60.00
Best Offer
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633, Mint 1-1/2¢ VF NH Plate Block of Four - CV $115.00 - Stuart Katz
SK-27576
$75.00
Best Offer
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541, Mint 3¢ VF NH Block of 4 Stamps Well Centered GEM! - Stuart Katz
SK-27584
$300.00
Best Offer
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2026a, Mint NH 20¢ Imperforate PB of 20 Stamps PFC CV $900+ Stuart Katz
SK-27506
$595.00
Best Offer
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2399a, 25¢ Gold Color Omitted PL# Strip of 20 Stamps CV $500.+ - Stuart Katz
SK-27548
$150.00
Best Offer
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590, Mint 9¢ XF NH Plate Block of Four - A GEM! - Stuart Katz
SK-27575
$200.00
Best Offer
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1767a, Mint NH 15¢ Misperfed Shift Error Block Trees - Stuart Katz
SK-27479
$125.00
Best Offer
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1842a, 15¢ Imperforate PL# Strip of 20 Stamps CV $400.+ - Stuart Katz
SK-27549
$295.00
Best Offer
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1586a, 13¢ Imperforate PL# Strip of 12 Stamps CV $240.00+ - Stuart Katz
SK-27552
$175.00
Best Offer
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528, Mint 2¢ XF LH Top Plate Block of Six CV $100.00 - Stuart Katz
SK-27580
$85.00
Best Offer
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1824 MNH 15¢ Helen Keller Color Shift Error Full Sheet of 50 Stamps Stuart Katz
SK-27904
$750.00
Best Offer
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1596, MNH 13¢ Eagle Misperfed Error Plate Block of 12 Stamps - Stuart Katz
SK-27899
$149.00
Best Offer
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1858, 18¢ Scarce Misperfed Error Margin Pair Mint NH - Stuart Katz
SK-27433
$39.95
Best Offer
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1596, MNH 13¢ Eagle Scarce Misperfed Error Sheet of 100 Stamps - Stuart Katz
SK-27897
$750.00
Best Offer
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1700, MNH 13¢ Misperfed Error Sheet of 32 Stamps - Stuart Katz
SK-27900
$125.00
Best Offer
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678, Mint 9¢ With Wide Spacing Error In Block of 6 CV $460.00 - Stuart Katz
SK-27466
$289.00
Best Offer
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2579, Mint NH 29¢ Misperf Plate Block Error - Santa - Stuart Katz
SK-27483
$75.00
Best Offer
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1764-67a, MNH 15¢ Trees Perf Shift Error PL# Block of Four Stamps - Stuart Katz
SK-27907
$175.00
Best Offer
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2360, Mint 22¢ HUGE Black Color Shift Error Pair WoW Mint NH - Stuart Katz
SK-27446
$225.00
Best Offer
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Raven Story Sheet of 20 Current Rate Postage Stamps Scott 5620 - Stuart Katz
5620
$23.88
Best Offer
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1557, Mint NH Fantastic Misperf Error Makes For Change of Design - Stuart Katz
SK-25092
$49.95
Best Offer
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1772 Var, MNH Complete Sheet of 50 With DOUBLE Perforations Error - Stuart Katz
SK-27344
$1,250.00
Best Offer
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1370a, Two Imperforate Pairs In Complete Sheet of 50 Stamps Error - Stuart Katz
SK-27345
$375.00
Best Offer
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2096a, VF NH Imperforate Between Plate Block Error - 2-3 Exist - Stuart Katz
SK-27349
$450.00
Best Offer
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2152, Mint NH RARE Misperfed Plate Block 22¢ Veterans Korea Error - Stuart Katz
SK-27323
$85.00
Best Offer
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1732-33, Misperfed James Cook 13¢ Error Sheet of 50 - Stuart Katz
SK-27321
$595.00
Best Offer
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1414b, VF NH 6¢ Black Color Omitted Error With With Normal - Stuart Katz
SK-27330
$295.00
Best Offer
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Wisdom Rockefeller Center Sheet of Twenty $1.00 Postage Stamps Scott 3766
3766
$38.95
Best Offer
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3281b Mint VF NH 33¢ Blue & Yellow Colors Omitted Error With Normal Stuart Katz
SK-27340
$295.00
Best Offer
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Bighorn Sheep Sheet of Twenty 17 Cent Postage Stamps Scott 4138
4138
$11.95
Best Offer
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Roy Acuff Sheet of Twenty 37 Cent Postage Stamps Scott 3812
3812
$11.95
Best Offer
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1510c, Mint NH 10¢ Remarkable Misperfed Booklet Pane Error - Stuart Katz
SK-26045
$95.00
Best Offer
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C10a, Mint VF NH 10¢ Booklet Pane of 3 Stamps CV $115 - Stuart Katz
SK-26060
$65.00
Best Offer
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C60a, 7¢ Mint NH Wholesale Lot of 45 Booklet Panes CV $315.00 - Stuart Katz
SK-26084
$95.00
Best Offer
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617, Mint Never Hinged Superb 1¢ Lexington - Stuart Katz
SK-26022
$40.00
Best Offer
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1920's Postage Production Test Block of 35 Stamps - Stuart Katz
SK-09569
$700.00
Best Offer
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2073, Mint NH 20¢ Misperfed Error Carter Woodson - Stuart Katz
SK-26030
$24.95
Best Offer
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535, Mint VF NH 3¢ Imperforate Block of Six -- Stuart Katz
SK-25900
$89.95
Best Offer
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C16, Mint F/VF NH 5¢ Airmail Plate Block of Four CV $95 -- Stuart Katz
SK-26070
$49.95
Best Offer
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576, Mint XF NH 1-1/2¢ Bottom Plate Block of Six Stamps - Stuart Katz
SK-26169
$35.00
Best Offer
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C22, Mint VF NH 50¢ Top Plate Block of Six Stamps -^^- Stuart Katz
SK-25723
$65.00
Best Offer
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565, Mint XF NH 14¢ Block of Four American Indian - Stuart Katz
SK-26157
$50.00
Best Offer
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C22, Mint VF NH 50¢ Plate Block of Six Stamps -**- Stuart Katz
SK-25716
$69.95
Best Offer
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3060a, Mint XF NH Imperforate Pair Error Year of the Rat - Stuart Katz
SK-25695
$300.00
Best Offer
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1700 Misperforated ERROR Margin Copy - 13¢ Adolph S. Ochs - Stuart Katz
SK-05690
$39.95
Best Offer
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C16, Mint VF NH 5¢ Airmail Plate Block of Four CV $95 - Stuart Katz
SK-26055
$65.00
Best Offer
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C21, Mint VF NH 20¢ Wide Bottom Plate Block of Six Stamps -- Stuart Katz
SK-25727
$65.00
Best Offer
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C10a, Mint F/VF NH 10¢ Booklet Pane of 3 Stamps CV $115 - Stuart Katz
SK-26059
$49.95
Best Offer
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C22, Mint VF NH 50¢ Top Plate Block of Six Stamps -- Stuart Katz
SK-25699
$65.00
Best Offer
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C22, Mint VF NH 50¢ Top Plate Block of Six Stamps -*- Stuart Katz
SK-25700
$65.00
Best Offer
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2015, Mint NH 20¢ Misperfed Error Pair Margin Copy! - Stuart Katz
SK-26035
$29.95
Best Offer
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C22, Mint VF NH 50¢ Plate Block of Six Stamps - Stuart Katz
SK-25713
$65.00
Best Offer
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C22, Mint VF NH 50¢ Top Plate Block of Six Stamps ^^ Stuart Katz
SK-25711
$65.00
Best Offer
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628, Mint XF NH Well Centered Precise Margins -- Stuart Katz
SK-25630
$29.95
Best Offer
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654, Mint VF NH 2¢ Plate Block of Six Stamps - Stuart Katz
SK-26074
$26.95
Best Offer
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3054a, Mint NH VF Imperforate PL# 5555 Strip of 7 Stamps Error - Stuart Katz
SK-26141
$495.00
Best Offer
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C22, Mint VF NH 50¢ Bottom Plate Block of Six Stamps -- Stuart Katz
SK-25721
$69.95
Best Offer
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579, Mint FVF NH Scarce Perf 11x10 2¢ CV $140.00 -- Stuart Katz
SK-26183
$85.00
Best Offer
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501, Mint VF NH 3¢ Block of Four Stamps -*- Stuart Katz
SK-25911
$45.00
Best Offer
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2532, Mint NH Misperforated Error Sheet of 40 Stamps - Stuart Katz
SK-25731
$395.00
Best Offer
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C22, Mint VF NH 50¢ Bottom Plate Block of Six Stamps -- Stuart Katz
SK-25720
$65.00
Best Offer
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753, Mint VF NH Bottom Arrow Block of Four Cat $70.00 *-- Stuart Katz
SK-26069
$49.95
Best Offer
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1408, Mint NH 6¢ Two Way Misperfed Error Stone Mountain - Stuart Katz
SK-26044
$29.95
Best Offer
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C22, Mint VF NH 50¢ Plate Block of Six Stamps -*- Stuart Katz
SK-25715
$65.00
Best Offer
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910b, Mint Reverse Printing Red & Blue Over Black PB With APS Cert - Stuart Katz
SK-26156
$450.00
Best Offer
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535, Mint Superb NH 3¢ Imperforate Block of Four -- Stuart Katz
SK-25899
$99.95
Best Offer
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C39a, Mint NH 6¢ Massive Miscut Booklet Pane Error! - Stuart Katz
SK-25745
$195.00
Best Offer
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1249, Mint NH 5¢ Misperforated Error Pair - Register to Vote - Stuart Katz
SK-25732
$40.00
Best Offer
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157 - 171  Prev
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