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United States

Products found: 21842
Newest Items First
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2414, Mint NH 25¢ Plate Block Gold Color Shifted Way Down Error - Stuart Katz
SK-28984
$125.00
Best Offer
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1529, MNH 10¢ Reverse Printing Under Gum Error - Skylab - Stuart Katz
SK-28972
$49.95
Best Offer
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2238a, Mint Sheet With Dramatic Over Inking Error - Stuart Katz
SK-28545
$350.00
Best Offer
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CE1, Mint NH Superb 16¢ With PSAG Graded 98 Certificate *-* Stuart Katz
SK-28255
$85.00
Best Offer
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566, Mint NH VF 15¢ Statue of Liberty Block of Four -- Stuart Katz
SK-28887
$109.95
Best Offer
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2178, Mint NH 17¢ Misperforation Error Block of Four Stamps -- Stuart Katz
SK-28310
$50.00
Best Offer
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1434-5, MNH 8¢ Partial Reverse Printing Under Gum Freak EFO Error * Stuart Katz
SK-29118
$49.95
Best Offer
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1558, Mint NH 10¢ Misperforated Error Blco of Four - Hard to Find! Stuart Katz
SK-28997
$59.95
Best Offer
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1358, MNH 6¢ Partial Reverse Printing Under Gum Freak EFO Error * Stuart Katz
SK-29120
$75.00
Best Offer
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1529, MNH 10¢ Massive Color Shift Error - Skylab -- Stuart Katz
SK-28968
$95.00
Best Offer
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Christmas Magi Book of 20 - Stamps Scott 4945b
SK-4945a
$44.88
Best Offer
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2618, Mint NH 29¢ Great Misperf Error That Shows Gutter - Stuart Katz
SK-28672
$39.95
Best Offer
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The Holy Family Booklet of 20 First Class Christmas Stamps Scott 4711c
SK-4711
$38.88
Best Offer
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1194 Var, 4¢ Mercury With Most of Yellow Color Missing Error - Stuart Katz
SK-28562
$29.95
Best Offer
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Holiday Snowflakes Pane of Twenty 39 Cent Postage Stamps Scott 4108b
4108b
$26.95
Best Offer
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2251, MNH 22¢ Large Color Shift Error Girl Scouts With Normal -*- Stuart Katz
SK-28645
$49.95
Best Offer
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C81, Mint NH 21¢ Terrific Partial Reverse Printing Under Gum Error - Stuart Katz
SK-29082
$45.00
Best Offer
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C81, Mint NH 21¢ Terrific Partial Reverse Printing Under Gum Error Stuart Katz
SK-29083
$40.00
Best Offer
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1430a, MNH 8¢ Misperf Shift Freaky Error Sheet of 32 Stamps - Stuart Katz
SK-29242
$149.95
Best Offer
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1560, MNH 10¢ Back Inscripion Shifted Freaky Error Sheet - WoW - Stuart Katz
SK-29243
$695.00
Best Offer
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1431, MNH 8¢ Misperf Shift Freaky Error Sheet of 50 With Gutter - Stuart Katz
SK-29238
$795.00
Best Offer
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C71, Mint NH 20¢ Terrific Reverse Printing Under Gum Error - Stuart Katz
SK-29080
$125.00
Best Offer
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1444, MNH 8¢ Misperfed Plate Block Block of 12 Stamps - Stuart Katz
SK-29236
$195.00
Best Offer
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588, Mint NH VF+ 7¢ Plate Block Nicely Centered - Stuart Katz
SK-29067
$350.00
Best Offer
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1557, Mint NH 10¢ Terrific Partial Reverse Printing Under Gum Error Stuart Katz
SK-29075
$50.00
Best Offer
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Pacific 97 Testing Sheet of 40 Stamps - Hard To Find! - Stuart Katz
SK-29024
$195.00
Best Offer
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2897a, Mint NH 32¢ Complete Imperforate Sheet of 100 VERY RARE! - Stuart Katz
SK-29027
$2,250.00
Best Offer
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1551, Mint NH 13¢ Misperfed Freaky Sheet of 50 Error Stamps -- Stuart Katz
SK-29034
$249.00
Best Offer
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1551, Mint NH 13¢ Misperfed Freaky PL# Block of 20 Error Stamps - Stuart Katz
SK-29032
$325.00
Best Offer
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498, Mint OG 1¢ SUPER LARGE pre Printing Paper Fold Error - Stuart Katz
SK-29043
$249.00
Best Offer
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1289b, Mint NH 20¢ Misperf Freak Pair Error - Stuart Katz
SK-29047
$19.95
Best Offer
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1757, Mint NH 13¢ Tremendous Color Shift Error Complete Sheet - Stuart Katz
SK-29031
$895.00
Best Offer
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1537a, Mint NH 10¢ Misperforated Error Block of Eight Stamps - Stuart Katz
SK-29010
$125.00
Best Offer
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Great Lakes Dunes Nature Series Sheet of Ten 42 Cent Postage Stamps Scott 4352
4352
$12.95
Best Offer
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1571, Mint NH 10¢ Nice Misperfed Plate Block of 20 Stamps - Stuart Katz
SK-29016
$49.95
Best Offer
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1690a, VF Mint NH 13¢ With Blue Color Omitted ERROR * Stuart Katz
SK-28817
$115.00
Best Offer
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1564, MNH 10¢ Sensational Fold Over Sheet Creates Odd Stamps - Stuart Katz
SK-29012
$595.00
Best Offer
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1563, Mint NH 10¢ Nice Misperfed Plate Block of 12 Stamps - Stuart Katz
SK-29015
$65.00
Best Offer
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241, Used $1.00 VF Columbian - Quality Stamp - Stuart Katz
SK-28816
$395.00
Best Offer
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C76 Var, Mint NH 10¢ Over Inking Error In Sheet of 40 Stamps - Stuart Katz
SK-29019
$495.00
Best Offer
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1541a, Mint NH 10¢ Large Misperfed Error Plate Block - Minerals - Stuart Katz
SK-29005
$150.00
Best Offer
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1537a, Mint NH 10¢ Fold Over Error In Block of 16 - Stuart Katz
SK-29011
$95.00
Best Offer
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1555, Mint NH 10¢ Sensational Color Shift Error Plate Block - Stuart Katz
SK-29001
$125.00
Best Offer
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C63, Mint NH 15¢ Terrific Misperfed Liberty Air Mail Stamp - Stuart Katz
SK-28081
$19.95
Best Offer
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1288b, Mint NH 15¢ Two Way Misperforated Error Pane - Remarkable! - Stuart Katz
$125.00
Best Offer
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2142, Mint NH 22¢ Diagonal Perf Shift Olympics Error - Stuart Katz
SK-28087
$19.95
Best Offer
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1608, Pre Cancel VF Sheet of One Hundred Stamps - Mint NH - Stuart Katz
SK-28809
$295.00
Best Offer
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RW41, Wood Duck Federal Duck Stamp VF OG NH - Stuart Katz
rw41
$10.95
Best Offer
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1518c, MNH VF Columbus OH Precancel Imperforate Pair ERROR - Stuart Katz
SK-28790
$320.00
Best Offer
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1042, Mint NH 8¢ Misperforation Error Pair With PL# - Stuart Katz
SK-28278
$45.00
Best Offer
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C83a, MNH 13¢ Imperforate Pair Plus Imperf Line Pair Errors - Stuart Katz
SK-28794
$165.00
Best Offer
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836, Mint NH 3¢ Scarce Early Misperforation Error Block of Four -- Stuart Katz
SK-28306
$225.00
Best Offer
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481, Mint Superb NH Wide Top Plate Block of Six - GEM - Stuart Katz
SK-28757
$75.00
Best Offer
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1752a, MNH 13¢ Misperforated Error Sheet of 48 Stamps - Dance - Stuart Katz
SK-28648
$550.00
Best Offer
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2535, Mint NH 29¢ Great Misperf Error Strip - Hard To Find! - Stuart Katz
SK-28680
$49.95
Best Offer
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1304CD, MNH 5¢ Scarce Imperforate Coil Pair Error - Stuart Katz
SK-28712
$295.00
Best Offer
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1631b, MNH 13¢ Imperforate Error Strip of 3 Stamps “Spirit of 76” - Stuart Katz
SK-28656
$650.00
Best Offer
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2618, Mint NH 29¢ Great Misperf Error Strip/6 That Shows Gutter Stuart Katz
SK-28676
$59.95
Best Offer
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2529a Var MNH Block of 108 Imperforate (Printers Waste) Stamps READ Stuart Katz
SK-28644
$2,500.00
Best Offer
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1890b, MNH Block With Vertical pairs Imperforate Between Error PFC - Stuart Katz
SK-28639
$895.00
Best Offer
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C127, MNH 45¢ Diagonal Misperf Shift Sheet of 50 Shows Gutter - Stuart Katz
SK-28681
$1,250.00
Best Offer
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1479, MNH 8¢ Two LARGE Color Shift Errors Fantastic! - Stuart Katz
SK-28709
$125.00
Best Offer
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1443b, MNH 8¢ RARE Black Brown Color Omitted Error With Normal - Stuart Katz
SK-28653
$695.00
Best Offer
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2967, Var, MNH 32¢ Marilyn Monroe Color Shift Error Block - Stuart Katz
SK-28642
$595.00
Best Offer
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1041 Var, MNH 8¢ Unbelievable Color Shift Error Liberty Block - Stuart Katz
SK-28641
$2,995.00
Best Offer
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C92a, MNH Massive Color Shift Error In Sheet of 100 Stamps - Stuart Katz
SK-28643
$1,995.00
Best Offer
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2440, Mint NH 25¢ Amazingly Huge Misperf Shift Error Plate Block - Stuart Katz
SK-28669
$195.00
Best Offer
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1290, MNH 25¢ VERY RARE Misperf Error Sheet of 100 Frederick Douglas Stuart Katz
SK-28658
$1,000.00
Best Offer
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2142a, Mint NH 22¢ Imperforate Between Error - Olympics - Stuart Katz
SK-28654
$225.00
Best Offer
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771, Unused 16¢ Wide Top Plate Block of Six - A GEM - Stuart Katz
SK-28769
$49.00
Best Offer
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1479, MNH 8¢ Terrific Color And Misperf Shift Error Plate Block - Stuart Katz
SK-28663
$179.00
Best Offer
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2146, MNH 22¢ Miscut Error Pane Makes for 5 Full Gutter Pairs - Stuart Katz
SK-28646
$3,500.00
Best Offer
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513, Mint F-VF NH 13¢ Block of Six Stamps CV $- Stuart Katz
SK-28740
$59.00
Best Offer
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2535, Mint NH 29¢ Great Misperf Error Block That Shows Gutter - Stuart Katz
SK-28678
$95.00
Best Offer
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1585, MNH 4¢ Stunning Two Way Misperf Error Sheet of 100 - Stuart Katz
SK-28657
$1,250.00
Best Offer
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Delaware Statehood Sheet of Fifty 22 Cent Postage Stamps Scott 2336
2336
$22.95
Best Offer
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1035, Mint NH 3¢ Over Inked Error Part Sheet of 80 Stamps - Stuart Katz
SK-28578
$75.00
Best Offer
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1698a, MNH 13¢ Black Color Shifted Error PL# Block of 12 - Stuart Katz
SK-28582
$75.00
Best Offer
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2051a, MNH 13¢ Perf Shift Error Sheet of 50 Stamps - Scarce! - Stuart Katz
SK-28588
$250.00
Best Offer
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1843, Mint NH Red Tape Splice Sheet of 50 Stamps - Scarce! - Stuart Katz
SK-28589
$450.00
Best Offer
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1035, Mint NH 3¢ Under Inked Error Sheet of 100 - Stuart Katz
SK-28577
$50.00
Best Offer
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Minerals Sheet of Forty 29 Cent Postage Stamps Scott 2700-03
2700-03
$19.95
Best Offer
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Charles M Russell Artist Sheet of Fifty 5 Cent Postage Stamps Scott 1243
1243
$12.95
Best Offer
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Holiday Greetings Booklet of Twenty 34 Cent Postage Stamps Scott 3537-40
3537-40d
$14.95
Best Offer
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C81, MNH 21¢ Airmail Misperforation ERROR Stamp - Stuart Katz
$14.95
Best Offer
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Mary Cassatt Artist Sheet of Fifty 5 Cent Postage Stamps Scott 1322
1322
$14.95
Best Offer
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Hawaii Statehood Anniversary Twenty 44 Cent Postage Stamps Scott 4415
4415
$29.88
Best Offer
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2999, Scarce Misperfed Error 32¢ Stamp Marine Life Mint NH - Stuart Katz
SK-27403
$24.95
Best Offer
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Legend of Sleepy Hollow Sheet of Fifty 10 Cent Postage Stamps Scott 1548
1548
$22.95
Best Offer
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Democracy Sheet of One Hundred 4 Cent Postage Stamps Scott 1585
1585
$16.95
Best Offer
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Hawaii Full Sheet of Fifty 11 Cent Airmail Stamps Scott C84
c84
$17.95
Best Offer
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Science And Industry Sheet of Fifty 20 Cent Postage Stamps Scott 2031
2031
$16.95
Best Offer
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New San Juan Puerto Rico Sheet of Fifty 8 Cent Postage Stamps Scott 1437
1437
$12.95
Best Offer
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Hawaii Statehood Sheet of Fifty 20 Cent Postage Stamps Scott 2080
2080
$19.95
Best Offer
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American Horses Sheet of Forty 22 Cent Postage Stamps Scott 2155-58
2155-58
$18.95
Best Offer
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C81, 21¢ Misperfed Top Margin Error Airmail Mint NH - Stuart Katz
SK-27419
$40.00
Best Offer
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