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1826a, Mint NH 15¢ Intaglio Colors Omitted MAJOR ERROR - Stuart Katz
$423.00
Uncertified, Multi-Color, 15 Cent, VF (Very Fine), Mint Never Hinged/MNH, Historical Events
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1206, Mint NH 4¢ Education BIG Black Color Shift ERROR Pair - Stuart Katz
$70.50
Uncertified, Multi-Color, 4 Cent, VF (Very Fine), Mint Never Hinged/MNH, Education
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1789Ad, MNH 15¢ Imperforate Between Block of Six Stamps ERROR - Stuart Katz
$164.50
Uncertified, Multi-Color, 15 Cent, VF (Very Fine), Mint Never Hinged/MNH, John Paul Jones
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1288Bc, Rare Error Booklet of 3 Misperforated Panes 15¢ Oliver Wendall Holmes
$37.60
Uncertified, VF (Very Fine), Mint Never Hinged/MNH
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1557, Mint NH 10¢ Mariner Space Black Color Shifted Right ERROR - Stuart Katz
$37.60
Uncertified, Multi-Color, 10 Cent, VF (Very Fine), Mint Never Hinged/MNH, Space
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720b, Mint VF NH Booklet Pane of Six Stamps Cat $60.00 - Stuart Katz
$35.00
Uncertified, Purple, 3 Cent, VF (Very Fine), Mint Never Hinged/MNH, Historical Events
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1869e, 50¢ Nimitz Perf 11.2 Shiny Gum Sheet of 100 Stamps CV $625. - Stuart Katz
$400.00
Uncertified, Brown, 50 Cent, VF (Very Fine), Mint Never Hinged/MNH, Nimitz, 1991-2000
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328, Mint OG NH 1¢ Jamestown Block Of Four Stamps Cat $260.00 - Stuart Katz
$75.00
Uncertified, Green, 1 Cent, Ungraded, Mint Never Hinged/MNH, Politicians
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1869a, Nimitz Complete Sheet of 100 50 Cent Stamps CV $600. - Stuart Katz
$400.00
Uncertified, Brown, 50 Cent, VF (Very Fine), Mint Never Hinged/MNH, Nimitz, 1981-1990
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RW75, $15.00 Northern Pintails Federal Duck Stamp VF OG NH - Stuart Katz
$32.50
Uncertified, Multi-Color, $15, Ungraded, Mint Never Hinged/MNH, Ducks
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1920's Postage Production Test Block of 16 Stamps - Stuart Katz
$300.00
Uncertified, Ungraded, Mint Never Hinged/MNH, Testing
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TDB48, 1980's Test Booklet Complete Unexploded Cat $900.00 Stuart Katz
$500.00
Uncertified, VF (Very Fine), Mint Never Hinged/MNH, Test
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RW76, $15.00 Long-tailed Duck Stamp VF OG NH - LOW PRICE! - Stuart Katz
$30.95
Uncertified, Multi-Color, $15, Ungraded, Mint Never Hinged/MNH, Ducks
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319g, Mint XF OG NH Gem 2¢ Booklet Pane of Six Stamps - Stuart Katz
$400.00
Uncertified, Carmine, 2 Cent, VF (Very Fine), Mint Never Hinged/MNH, Politicians
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Jimmy Stewart Legends of Hollywood Sheet Of 20 Stamps 41 Cent Stamps Scott 4197
$14.95
Uncertified, Multi-Color, 41 Cent, VF (Very Fine), Mint Never Hinged/MNH, Jimmy Stewart
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1800, 15c TWO DIFFERENT STAMPS WITH COLORS OMITTED - Possibly printers waste
$329.14
Uncertified, VF (Very Fine), Mint Never Hinged/MNH
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526, Mint 2¢ VF-XF NH Side Plate Block of Six Stamps Cat $450.00 - Stuart Katz
$275.00
Uncertified, Carmine, 2 Cent, VF (Very Fine), Mint Never Hinged/MNH, Politicians
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RW61, $15.00 Red-Breasted Merganser Duck Stamp VF OG NH - Stuart Katz
$19.95
Uncertified, Multi-Color, $15, Ungraded, Mint Never Hinged/MNH, Ducks
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411, Mint VF NH Pair, Paste-up Pair and Single Stamp Cat $132.50 - Stuart Katz
$65.00
Uncertified, Carmine, 2 Cent, VF (Very Fine), Mint Never Hinged/MNH, Politicians
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TDB91a, Black For Testing Purposes Only Pane Of Eighteen Stamps - Stuart Katz
$14.95
Uncertified, Black, Ungraded, Mint Never Hinged/MNH
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497, Mint NH Pair & Mint LH Single Plus Used Stamp Cat $120.00 - Stuart Katz
$50.00
Uncertified, Yellow, 10 Cent, VF (Very Fine), Mint Never Hinged/MNH, Politicians
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1443a, Mint NH Massive Misperforation ERROR Block of Four Stamps - Stuart Katz
$51.70
Uncertified, 8 Cent, VF (Very Fine), Mint Never Hinged/MNH, Transportation
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1443a, MNH Color Shift ERRORS - Two Diff Blocks of Four Stamps - Stuart Katz
$56.40
Uncertified, 8 Cent, VF (Very Fine), Mint Never Hinged/MNH, Transportation
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410, Mint VF NH Pair, Paste-up Pair and Single Stamp Cat $78.00+ - Stuart Katz
$45.00
Uncertified, Green, 1 Cent, VF (Very Fine), Mint Never Hinged/MNH, Politicians
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C82a, 11¢ Miscut and Imperforate Coil Pair ERROR - Mint NH - Stuart Katz
$164.50
Uncertified, 11 Cent, VF (Very Fine), Mint Never Hinged/MNH, Airmail
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1394, Misperforated ERROR Block of 38 Stamps - Mint NH - Stuart Katz
$70.50
Uncertified, Multi-Color, 8 Cent, VF (Very Fine), Mint Never Hinged/MNH, Politicians
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1557. Red & Blue Color Shift ERROR in Full Sheet of 50 Stamps - Stuart Katz
$465.30
Uncertified, Multi-Color, 10 Cent, VF (Very Fine), Mint Never Hinged/MNH, Space
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RW32, Mint NH Duck Plate Block- SUPERB QUALITY Cat $500.00 - Stuart Katz
$325.00
Uncertified, Superb, Mint Never Hinged/MNH, Ducks
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538a, Mint XF NH Imperforate between pair Cat $125.00+ - Stuart Katz
$95.00
Uncertified, XF (Extremely Fine), Mint Never Hinged/MNH
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RW66, Greater Scaup DUCK Stamp VF OG NH - Stuart Katz
$26.95
Uncertified, Multi-Color, $15.00, VF (Very Fine), Mint Never Hinged/MNH, Ducks
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1158, Looks Like Imperforate ERROR Row of Stamps Mint NH - Stuart Katz
$376.00
Uncertified, Multi-Color, 4 Cent, VF (Very Fine), Mint Never Hinged/MNH, Flags, National Emblems
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1504a, Green & Red Brown Colors Omitted ERROR Mint VF NH Cat $675.00 Stuart Katz
$423.00
Uncertified, Multi-Color, 8 Cent, VF (Very Fine), Mint Never Hinged/MNH, America
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1735b, VF NH "A" Stamp Imperforate Between ERROR Hard to Find! - Stuart Katz
$371.30
Uncertified, Orange, 15 Cent, VF (Very Fine), Mint Never Hinged/MNH, Eagle
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4640b, Die Cutting Omitted Major ERROR Strip of Five Stamps - Stuart Katz
$376.00
Uncertified, Multi-Color, VF (Very Fine), Mint Never Hinged/MNH, Panther
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3674, 37¢ Greetings Misperforated ERROR PL# Block of 4 - Stuart Katz
$46.95
Uncertified, Multi-Color, 37 Cent, VF (Very Fine), Mint Never Hinged/MNH, Greetings
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538a, Mint NH VF Block of four Imperforate between - Cat $275.00 Stuart Katz
$150.00
Uncertified, Green, 1 Cent, VF (Very Fine), Mint Never Hinged/MNH, Politicians
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2114 22c Flag - Reverse printing on back ERROR PL# Block of Four - Stuart Katz
$70.50
Uncertified, Multi-Color, 22 Cent, VF (Very Fine), Mint Never Hinged/MNH, Flags, National Emblems
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1926 Black Color Shift MAJOR ERROR - PL# Block - 18¢ Mint NH - Stuart Katz
$79.90
Uncertified, Multi-Color, 18 Cent, VF (Very Fine), Mint Never Hinged/MNH
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O23 Mint OG LH 30¢ Official Block of Four - Cat $1,250.00 - Stuart Katz
$250.00
Uncertified, Ungraded, Lightly Hinged, Official
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2015 Reverse printing Under Gum ERROR PL# Block of Four - Stuart Katz
$164.50
Uncertified, Multi-Color, 20 Cent, VF (Very Fine), Mint Never Hinged/MNH, Library
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1500 Ink Smear ERROR Block of 20 - 6¢ Electronics - Mint NH - Stuart Katz
$188.00
Uncertified, Multi-Color, 6 Cent, VF (Very Fine), Mint Never Hinged/MNH, Science
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1381 Multi Color Shift ERROR PL# Block of Four 6¢ Baseball - Stuart Katz
$282.00
Uncertified, Multi-Color, 6 Cent, VF (Very Fine), Mint Never Hinged/MNH, Baseball
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89 Used 10¢ VF-XF With JUMBO Margins Cat $350.00+ - Stuart Katz
$300.00
Uncertified, Green, VF/XF (Very Fine/Extremely Fine), Used, Politicians
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1552, Mint 10c Dove - VERY RARE DIE CUTTING SHIFTED BLOCK OF FOUR - Stuart Katz
$89.30
Uncertified, VF (Very Fine), Mint Never Hinged/MNH
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J52 Mint 1¢ Postage Due - F-VF OG NH With PSE Cert Cat $220.00 - Stuart Katz
$95.00
Uncertified, 1 Cent, VF (Very Fine), Mint Never Hinged/MNH
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3835 Complete Misperforated ERROR Sheet of 20 - 37¢ Dr. Seuss - Stuart Katz
$352.50
Uncertified, Multi-Color, 37 Cent, VF (Very Fine), Mint Never Hinged/MNH, Art, Artists
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1384m, MNH 6¢ Baltimore, MD INVERTED PRECANCEL ERROR CV $225 - Stuart Katz
$141.00
Uncertified, Multi-Color, 6 Cent, VF (Very Fine), Mint Never Hinged/MNH
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RW66A, $15 Greater Scaup DUCK Stamp Self-Adhesive Pane - Stuart Katz
$25.00
Uncertified, Multi-Color, $15.00, Ungraded, Mint Never Hinged/MNH
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