PRODUCT FILTERS

Condition
Grade
Certification
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United States

Products found: 21843
Newest Items First
96 Per Page
2411, Large Misperfed ERROR Plate Block of Four 25¢ Stamps MNH - Stuart Katz
$85.00
Best Offer
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806, Five Misperforation ERROR Plate Blocks 2¢ Prexie Stamps - Stuart Katz
$275.00
Best Offer
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1731, Misperforation ERROR Shift Complete Sheet of 50 Stamps - Stuart Katz
$450.00
Best Offer
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1478 Var, Red Color Missing from Top Stamp & Color Shift ERROR - Stuart Katz
$1,500.00
Best Offer
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R74a, Superb Gem Passage Ticket Revenue Stamp Cat $350.00 - Stuart Katz
$275.00
Best Offer
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2401 Variety, Montana 25¢ Unused Imperforate Pair ERROR (PW) - Stuart Katz
$350.00
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1281, Major Misperforation ERROR Plate Block With PL# Captured - Stuart Katz
$85.00
Best Offer
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2550a, MNH 29¢ Cole Porter Imperforate Between Zip Block ERROR - Stuart Katz
$700.00
Best Offer
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3123c, 32¢ Swans RARE Complete Imperforate Booklet Pane ERROR - Stuart Katz
$950.00
Best Offer
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3632b, Mint NH 37¢ Imperforate Coil Strip of Six Stamps - Stuart Katz
$450.00
Best Offer
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1772, MNH 15¢ IYC Block of 6 With DOUBLE Perforations ERROR - Stuart Katz
$175.00
Best Offer
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1286, Mint NH Huge ERROR Pair With Tape Splice With Normal - Stuart Katz
$50.00
Best Offer
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1951c, Mint NH 20¢ Love Blue Color Omitted Scarce ERROR - Stuart Katz
$160.00
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2718aPb, MNH XF Imperforate Pane of Four Stamps Proof Cat $1000.00 - Stuart Katz
$375.00
Best Offer
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2476, Mint NH 1¢ Large Misperforation ERROR Block of Four Plus! - Stuart Katz
$75.00
Best Offer
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2646aPi, MNH XF Imperforate Pane of Five Bird Stamps Proof - Stuart Katz
$450.00
Best Offer
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2788aP, MNH XF Imperforate Block of Four Proof Cat $400.00 - Stuart Katz
$325.00
Best Offer
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2039a, MNH 20¢ Volunteer Lend a Hand Imperforate Pair ERROR - Stuart Katz
$425.00
Best Offer
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2904c, XF Mint NH Nonprofit Org Imperforate Coil Pair ERROR - Stuart Katz
$195.00
Best Offer
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1833a, XF MNH 15¢ Learning Imperforate Between Pair ERROR - Stuart Katz
$120.00
Best Offer
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2044a, Mint NH 20¢ Scott Joplin Imperforate ERROR Pair - Stuart Katz
$290.00
Best Offer
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1826a, Mint NH 15¢ Intaglio Colors Omitted MAJOR ERROR - Stuart Katz
$450.00
Best Offer
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1206, Mint NH 4¢ Education BIG Black Color Shift ERROR Pair - Stuart Katz
$75.00
Best Offer
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1789Ad, MNH 15¢ Imperforate Between Block of Six Stamps ERROR - Stuart Katz
$175.00
Best Offer
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1288Bc, Rare Error Booklet of 3 Misperforated Panes 15¢ Oliver Wendall Holmes
$40.00
Best Offer
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1557, Mint NH 10¢ Mariner Space Black Color Shifted Right ERROR - Stuart Katz
$40.00
Best Offer
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720b, Mint VF NH Booklet Pane of Six Stamps Cat $60.00 - Stuart Katz
$35.00
Best Offer
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1869e, 50¢ Nimitz Perf 11.2 Shiny Gum Sheet of 100 Stamps CV $625. - Stuart Katz
SK-10560
$400.00
Best Offer
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328, Mint OG NH 1¢ Jamestown Block Of Four Stamps Cat $260.00 - Stuart Katz
$75.00
Best Offer
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1869a, Nimitz Complete Sheet of 100 50 Cent Stamps CV $600. - Stuart Katz
SK-10532
$400.00
Best Offer
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RW75, $15.00 Northern Pintails Federal Duck Stamp VF OG NH - Stuart Katz
rw75
$32.50
Best Offer
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1920's Postage Production Test Block of 16 Stamps - Stuart Katz
$300.00
Best Offer
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TDB48, 1980's Test Booklet Complete Unexploded Cat $900.00 Stuart Katz
$500.00
Best Offer
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RW76, $15.00 Long-tailed Duck Stamp VF OG NH - LOW PRICE! - Stuart Katz
rw76
$30.95
Best Offer
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319g, Mint XF OG NH Gem 2¢ Booklet Pane of Six Stamps - Stuart Katz
$400.00
Best Offer
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Jimmy Stewart Legends of Hollywood Sheet Of 20 Stamps 41 Cent Stamps Scott 4197
SK-10274
$14.95
Best Offer
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1800, 15c TWO DIFFERENT STAMPS WITH COLORS OMITTED - Possibly printers waste
$350.15
Best Offer
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526, Mint 2¢ VF-XF NH Side Plate Block of Six Stamps Cat $450.00 - Stuart Katz
$275.00
Best Offer
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RW61, $15.00 Red-Breasted Merganser Duck Stamp VF OG NH - Stuart Katz
rw61
$19.95
Best Offer
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411, Mint VF NH Pair, Paste-up Pair and Single Stamp Cat $132.50 - Stuart Katz
$65.00
Best Offer
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TDB91a, Black For Testing Purposes Only Pane Of Eighteen Stamps - Stuart Katz
SK-09927
$14.95
Best Offer
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497, Mint NH Pair & Mint LH Single Plus Used Stamp Cat $120.00 - Stuart Katz
$50.00
Best Offer
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1443a, Mint NH Massive Misperforation ERROR Block of Four Stamps - Stuart Katz
$55.00
Best Offer
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1443a, MNH Color Shift ERRORS - Two Diff Blocks of Four Stamps - Stuart Katz
$60.00
Best Offer
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410, Mint VF NH Pair, Paste-up Pair and Single Stamp Cat $78.00+ - Stuart Katz
$45.00
Best Offer
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C82a, 11¢ Miscut and Imperforate Coil Pair ERROR - Mint NH - Stuart Katz
$175.00
Best Offer
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1394, Misperforated ERROR Block of 38 Stamps - Mint NH - Stuart Katz
$75.00
Best Offer
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1557. Red & Blue Color Shift ERROR in Full Sheet of 50 Stamps - Stuart Katz
$495.00
Best Offer
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RW32, Mint NH Duck Plate Block- SUPERB QUALITY Cat $500.00 - Stuart Katz
$325.00
Best Offer
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538a, Mint XF NH Imperforate between pair Cat $125.00+ - Stuart Katz
$95.00
Best Offer
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RW66, Greater Scaup DUCK Stamp VF OG NH - Stuart Katz
rw66
$26.95
Best Offer
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1158, Looks Like Imperforate ERROR Row of Stamps Mint NH - Stuart Katz
$400.00
Best Offer
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1504a, Green & Red Brown Colors Omitted ERROR Mint VF NH Cat $675.00 Stuart Katz
$450.00
Best Offer
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1735b, VF NH "A" Stamp Imperforate Between ERROR Hard to Find! - Stuart Katz
$395.00
Best Offer
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4640b, Die Cutting Omitted Major ERROR Strip of Five Stamps - Stuart Katz
$400.00
Best Offer
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3674, 37¢ Greetings Misperforated ERROR PL# Block of 4 - Stuart Katz
$49.95
Best Offer
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538a, Mint NH VF Block of four Imperforate between - Cat $275.00 Stuart Katz
$150.00
Best Offer
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2114 22c Flag - Reverse printing on back ERROR PL# Block of Four - Stuart Katz
$75.00
Best Offer
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1926 Black Color Shift MAJOR ERROR - PL# Block - 18¢ Mint NH - Stuart Katz
$85.00
Best Offer
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O23 Mint OG LH 30¢ Official Block of Four - Cat $1,250.00 - Stuart Katz
$250.00
Best Offer
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2015 Reverse printing Under Gum ERROR PL# Block of Four - Stuart Katz
$175.00
Best Offer
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1500 Ink Smear ERROR Block of 20 - 6¢ Electronics - Mint NH - Stuart Katz
$200.00
Best Offer
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1381 Multi Color Shift ERROR PL# Block of Four 6¢ Baseball - Stuart Katz
$300.00
Best Offer
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89 Used 10¢ VF-XF With JUMBO Margins Cat $350.00+ - Stuart Katz
$300.00
Best Offer
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1552, Mint 10c Dove - VERY RARE DIE CUTTING SHIFTED BLOCK OF FOUR - Stuart Katz
$95.00
Best Offer
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J52 Mint 1¢ Postage Due - F-VF OG NH With PSE Cert Cat $220.00 - Stuart Katz
$95.00
Best Offer
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3835 Complete Misperforated ERROR Sheet of 20 - 37¢ Dr. Seuss - Stuart Katz
$375.00
Best Offer
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1384m, MNH 6¢ Baltimore, MD INVERTED PRECANCEL ERROR CV $225 - Stuart Katz
$150.00
Best Offer
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RW66A, $15 Greater Scaup DUCK Stamp Self-Adhesive Pane - Stuart Katz
rw66a
$25.00
Best Offer
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2540, MNH $2.90 Priority SCARCE MISPERFORATION ERROR PLATE BLOCK/6 Stuart Katz
$450.00
Best Offer
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1529, 10¢ SKYLAB - BLACK COLOR SHIFTED WAY UP MAJOR ERROR PLATE BLOCK
$180.00
Best Offer
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3054a, 32c Rose Imperforate PL# 5555 strip of 3 error Mint NH XF RETAIL $750.00
$375.00
Best Offer
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1919a, MNH - DENOMINATIONS MISSING AND GUTTER AT BOTTOM ERROR - Stuart Katz
$750.00
Best Offer
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1716a, MNH RED COLOR MISSING ERROR - LAFAYETTE
$225.00
Best Offer
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1542 Var HUGE GREEN AND BLACK DIAGONAL COLOR SHIFT ERROR STRIP OF TEN
$749.00
Best Offer
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3060a, YEAR OF THE RAT IMPERFORATE PAIR ERROR - RARE! - Stuart Katz
$300.00
Best Offer
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2541, RARE MISPERFED ERROR PLATE BLOCK - $9.95 EXP MAIL
$200.00
Best Offer
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Avery Label Testing Booklet Pane Of 18 Stamps - XF - VERY RARE! - Stuart Katz
$250.00
Best Offer
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1474a, BLACK LITHO OMITTED MAJOR ERROR VF NH Cat $475.00
$360.00
Best Offer
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1700 Misperforated ERROR Margin Copy - 13¢ Adolph S. Ochs - Stuart Katz
$39.95
Best Offer
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1833 Misperforated ERROR Block of Ten Stamps - 15¢ Learning - MNH - Stuart Katz
$95.00
Best Offer
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1381 HUGE Black Color Shift ERROR PL# Block of Four 6¢ Baseball - Stuart Katz
$175.00
Best Offer
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1555 Reverse printing Under Gum ERROR PL# Block of Four - Stuart Katz
$175.00
Best Offer
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1487 Misperforated ERROR PL# Strip of 16 Stamps - 8¢ Cather - MNH - Stuart Katz
$120.00
Best Offer
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J88 Mint Sheet of 100 - VF OG NH Cat $264.00 - Stuart Katz
$89.95
Best Offer
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CANAL ZONE 55s, MINT OG NH SPECIMEN OVPT - RARE!
$75.14
Best Offer
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O89, Mint 12¢ OFFICIAL - Fine OG - FRESH! Cat $275.00
$59.95
Best Offer
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E6, Mint 10¢ SPECIAL DELIVERY - VF OG VLH Cat $230.00
$125.00
Best Offer
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117, Used 12c - XF GEM - Nice large margins all around! Cat $140.00+
$125.14
Best Offer
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96, Used 10c VERY FINE - LOW PRICE! Cat $260.00
$99.14
Best Offer
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152, Used 15c - VF - NICE Cat $100.00+
$125.14
Best Offer
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291, Used 50c VF Cat $210.00
$119.14
Best Offer
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165, Used 30c - VF - NICE Cat $140.00
$79.14
Best Offer
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444, Used 2¢ COIL - VF-XF - DEEP RICH COLOR - BEAUTY!
$49.00
Best Offer
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572, Mint $2 Capital - Block of four - VF OG NH Cat $600.00 - Stuart Katz
$275.00
Best Offer
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TD100, XF OG NH BLOCK/4 NEBRASKA TESTING STAMP - BLACK
$250.14
Best Offer
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