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United States

Products found: 21806
Newest Items First
48 Per Page
151, Used 12¢ F/VF Nicely Centered Cat $200.00 -- Stuart Katz
SK-20943
$39.95
Best Offer
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151, Used 12¢ Sound Stamp Cat $200.00 - Stuart Katz
SK-20953
$49.95
Best Offer
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Save Vanishing Species Semi Postal Sheet of Twenty Current Rate Stamps Scott B4
SK-20974
$27.95
Best Offer
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STEM Education Sheet of 20 Current Rate Stamps Scott 5279
SK-20978
$17.88
Best Offer
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227, Used 15¢ Dramatic Misperforation Margin Error! WoW - Stuart Katz
$125.00
Best Offer
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117, Used XF 12¢ Ship A GEM With PFC & PSE Graded 90 Certificate -- Stuart Katz
SK-19762
$400.00
Best Offer
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409, Mint NH XF 2¢ Top Plate Block of Six - Stuart Katz
$45.00
Best Offer
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495, Mint VF NH 4¢ Coil Pair Very Well Centered! - Stuart Katz
$39.95
Best Offer
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1118, Mint NH HUGE BLUE COLOR SHIFT ERROR PB With Normal * Stuart Katz
$695.00
Best Offer
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1286, 10¢ Misperforate Error Mail Early Block/15 Big/Small Stamps - Stuart Katz
$89.95
Best Offer
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482, Mint NH XF/Superb 2¢ TOP Plate Block of Six * Stuart Katz
$45.00
Best Offer
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442, Mint NH 2¢ Coil Line Strip of Six Stamps CV $240 *---* Stuart Katz
$75.00
Best Offer
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584, Mint Superb NH 3¢ Plate Block of Four PERFECTION! - Stuart Katz
$650.00
Best Offer
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2015 Literary Arts Flannery O'Connor Three Ounce - Sheet Scott 5003
SK-20882
$34.95
Best Offer
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397-98, Mint F/VF NH Blocks of Four Stamps Cat $320.00 - Stuart Katz
$99.00
Best Offer
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C92a, HUGE COLOR SHIFT ERROR In Strip of Four Stamps Mint NH - Stuart Katz
SK-17285
$69.95
Best Offer
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1735, Large Misperforation ERROR PL# Block of 4+ Stamps - Stuart Katz
$60.00
Best Offer
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1561a, Mint NH 10¢ Bicentennial Back Inscription Omitted ERROR - Stuart Katz
$109.95
Best Offer
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3835, RARE MISPERFED ERROR BLOCK 32¢ DR SEUSS
$60.00
Best Offer
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1436, 8¢ MISPERFED ERROR ZIP BLOCK - EMILY DICKINSON
$60.00
Best Offer
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1804 var, Imperforate Pair - Mint VF NH "Printers Waste" - Stuart Katz
$60.00
Best Offer
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1857, Mint NH LARGE PERFORATION SHIFT BLOCK
$60.00
Best Offer
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739, MNH RARE FOLD OVER PLATE BLOCK OF 8 - AMAZING ERROR! - Stuart Katz
$195.00
Best Offer
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4847, Die Cut Shift ERROR Block of 9 Stamps VERY RARE! - Stuart Katz
SK-13918
$225.00
Best Offer
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1789, MNH 13¢ Pair With Vertical Gutter Between Variety W/Normal - Stuart Katz
$200.00
Best Offer
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461, Mint VF NH RARE 2¢ Block of Four With PFC Certificate CV $1300 Stuart Katz
$995.00
Best Offer
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C88 26¢ Full Reverse Printing Under Gum Error Plate Block W/Normal * Stuart Katz
$225.00
Best Offer
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1786b, 15¢ Flowers Imperforate Error Block of Four With PL# - Stuart Katz
$140.00
Best Offer
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36 Used 12¢ - VF For Issue - Lightly Cancelled Cat $350.00 - Stuart Katz
$195.00
Best Offer
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155 Used 90¢ Completely Sound Stamp - VF Cat $350.00 - Stuart Katz
$225.00
Best Offer
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J60 Mint NH 2 Cent Postage Due Stamp With PL# Cat $600.00 - Stuart Katz
$235.00
Best Offer
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R101c, Used Superb $50 Revenue Perforated Stamp - Stuart Katz
$275.00
Best Offer
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R82a, Used XF $2 Revenue Imperforate Stamp A GEM - Stuart Katz
$130.00
Best Offer
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Greetings from America Sheet of 50 34¢ Stamps Scott 3561-3610 - Stuart Katz
SK-19798
$25.95
Best Offer
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2012 Bobcat 1 Cent Coil Strip 5 Postage Stamps Scott 4672
$3.95
Best Offer
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Arctic Animals 33¢ Sheet of 15 Postage Stamps Scott 3292a - Stuart Katz
SK-19801
$11.95
Best Offer
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2344 Var, Red Color Missing From Top Stamp Mint NH VERY RARE! -- Stuart Katz
$150.00
Best Offer
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TD100, NEBRASKA Test Stamp In Black - Superb NH - Stuart Katz
$75.00
Best Offer
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549, Mint NH F-VF Plate Block of Six Stamps CV $125 -- Stuart Katz
$65.00
Best Offer
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1756, HUGE Misperforation Error 15¢ George M Cohan Mint NH ------ Stuart Katz
$24.95
Best Offer
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446, RARE Used 4¢ Line Pair With PSAG Graded Certificate - Stuart Katz
$850.00
Best Offer
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320A, Mint 2¢ XF NH Type II Lake Color Imperforate Pair - Stuart Katz
$225.00
Best Offer
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4144, $4.60 Air Force One Priority Mail Sheet of Twenty Stamps VF - Stuart Katz
SK-08909
$115.00
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1276, Mint NH Misperforated Error Plate Block 5¢ Christmas - Stuart Katz
$125.00
Best Offer
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C150a, Die Cutting Omitted on Front ERROR PL# Block Cat $1,400.00 - Stuart Katz
$1,195.00
Best Offer
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1484a Imperforate Between PL# Block of 24 Stamps (12 Pairs) CV $1920 Stuart Katz
$1,495.00
Best Offer
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2578, 29¢ Two Way Misperforation Error Christmas Stamp ** Stuart Katz
$45.00
Best Offer
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489, Mint NH Line Strip of Four Stamps Cat $90.00 - Stuart Katz
$45.00
Best Offer
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