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1035, Mint NH 3¢ Over Inked Error Part Sheet of 80 Stamps - Stuart Katz
$70.50
1698a, MNH 13¢ Black Color Shifted Error PL# Block of 12 - Stuart Katz
$70.50
2051a, MNH 13¢ Perf Shift Error Sheet of 50 Stamps - Scarce! - Stuart Katz
$235.00
1843, Mint NH Red Tape Splice Sheet of 50 Stamps - Scarce! - Stuart Katz
$423.00
1035, Mint NH 3¢ Under Inked Error Sheet of 100 - Stuart Katz
$47.00
Minerals Sheet of Forty 29 Cent Postage Stamps Scott 2700-03
$26.95
Charles M Russell Artist Sheet of Fifty 5 Cent Postage Stamps Scott 1243
$12.95
Holiday Greetings Booklet of Twenty 34 Cent Postage Stamps Scott 3537-40
$14.95
C81, MNH 21¢ Airmail Misperforation ERROR Stamp - Stuart Katz
$14.05
Mary Cassatt Artist Sheet of Fifty 5 Cent Postage Stamps Scott 1322
$18.95
Hawaii Statehood Anniversary Twenty 44 Cent Postage Stamps Scott 4415
$29.88
2999, Scarce Misperfed Error 32¢ Stamp Marine Life Mint NH - Stuart Katz
$23.45
Legend of Sleepy Hollow Sheet of Fifty 10 Cent Postage Stamps Scott 1548
$22.95
Democracy Sheet of One Hundred 4 Cent Postage Stamps Scott 1585
$18.95
A Visit From St. Nick - Booklet of Twenty - Postage Stamps Scott 5647b
$19.63
1868, Mint NH 40¢ Diagonal Misperf Error Margin Block of Four - Stuart Katz
$89.30
Message Monsters Sheet of 20 Current Rate Postage Stamps Scott 5639
$19.63
1632, Mint NH 13¢ Large Color Shift Error Margin Copy - Stuart Katz
$70.50
836, Mint NH 3¢ Scarce Early Misperforation Error Block of Four - Stuart Katz
$211.50
1291, Mint NH 30¢ Two Way Misperforation Error Block of Four - Stuart Katz
$89.30
C81, Mint NH 21¢ Color Shifted Error Mail Early Block of Six - Stuart Katz
$164.50
1042, Mint NH 8¢ Misperforation Error Block of Four Liberty Stamps - Stuart Katz
$84.60
2607c, Mint NH 23¢ PL# 1111 Imperforate Error Strip of Six - Stuart Katz
$211.50
1471a, Mint NH 8¢ With Pink Color Omitted Error With Normal - Stuart Katz
$79.90
Madonna and Child Christmas Sheet of Fifty 20 Cent Postage Stamps Scott 2026
$18.95
James Hoban White House Architect Sheet of Fifty 20 Cent Stamps Scott 1936
$17.95
Puppy And Cat Sheet of Fifty 13 Cent Postage Stamps Scott 2025
$16.95
American Inventors Sheet of Fifty 20 Cent Postage Stamps Scott 2058a
$17.95
Hawaii Full Sheet of Fifty 11 Cent Airmail Stamps Scott C84
$17.95
Science And Industry Sheet of Fifty 20 Cent Postage Stamps Scott 2031
$16.95
New San Juan Puerto Rico Sheet of Fifty 8 Cent Postage Stamps Scott 1437
$12.95
Hawaii Statehood Sheet of Fifty 20 Cent Postage Stamps Scott 2080
$21.95
American Horses Sheet of Forty 22 Cent Postage Stamps Scott 2155-58
$22.95
C81, 21¢ Misperfed Top Margin Error Airmail Mint NH - Stuart Katz
$37.60
2147 Var, Most of Red & Yellow Missing Error Coil Pair - Stuart Katz
$70.50
1237, Mint NH 5¢ Large Perf Shift Margin Pair - The Sciences - Stuart Katz
$61.05
1318, Mint NH 5¢ Pre Printing Paper Fold And Color Shift Error PR - Stuart Katz
$70.50
2512, Mint NH 25¢ Perf Shift Error Pair - Grand Canyon - Stuart Katz
$28.15
619, VF/XF Mint NH Top PL# Sheet of 50 5¢ Stamps Brookman $2750. - Stuart Katz
$1,495.00
1118, MNH 8¢ Tremendous Color Shift And Misperf Error - Stuart Katz
$47.00
2142, Mint NH 22¢ Diagonal Perf Shift Olympics Error Pair - Stuart Katz
$37.55
1419, Mint NH 6¢ Huge Black Color Shift Error With Normal - Stuart Katz
$37.55
1759, Mint NH 15¢ Large Perf Shift Error Margin Pair Space Stamps - Stuart Katz
$70.50
Happy Birthday Sheet of 20 Current Rate Postage Stamps Scott 5635 - Stuart Katz
$22.45
West Virginia Centennial Sheet of Fifty 5 Cent Postage Stamps Scott 1232
$12.95
1424, Mint NH 6¢ Large Misperf Shift Error Zip Block - MacArthur - Stuart Katz
$117.50
1286, Mint NH 10¢ Large RARE Misperf Error Plate Block - Stuart Katz
$70.50
1683, Mint NH 13¢ Two Way Misperf Error Plate Block PL# Captured - Stuart Katz
$164.50
811, Mint 6¢ Prexi Tape Slice Error With Rejection Marks - Stuart Katz
$235.00
1390a, Mint NH 6¢ Large Color Shift Error Plate Block - Stuart Katz
$47.00
2533, Mint NH Large Misperf Error Vermont Plate Block - Stuart Katz
$164.50
1158, Mint NH 4¢ Large RARE Misperf Error Plate Block - Stuart Katz
$89.30
817, Unique Gutter Pair 12¢ Prexi Error In Block Mint NH - Stuart Katz
$705.00
1436, Mint NH 8¢ Large Misperf Error Plate Block PL# Captured - Stuart Katz
$117.50
2979a, Mint NH 32¢ Large RARE Misperf Error Plate Block - Stuart Katz
$141.00
1541a, Mint NH 10¢ Large Misperf Error Plate Block PL# Captured - Stuart Katz
$141.00
2104, Mint NH 20¢ Diagonal Misperf Shift Error Block of Six Stamps - Stuart Katz
$117.50
1359, Mint NH Large RARE Misperf Error Plate Block - Stuart Katz
$141.00
810, MNH 5¢ Tape Splice Error in Strip of Four - Stuart Katz
$37.60
806, Mint NH 2¢ Large Misperf Error Plate Block of Eight Stamps - Stuart Katz
$89.30
1359, Mint NH Large RARE Color Shift Error Plate Block - Stuart Katz
$183.30
1372, 6¢ With Blue Color Shifted Well Up Error W/Normal Mint NH - Stuart Katz
$18.75
1290, 25¢ Scarce Misperfed Error Pair Frederick Douglas Mint NH - Stuart Katz
$28.15
2103, MNH 20¢ Misperfed Error In Sheet of 40 Stamps - Stuart Katz
$277.30
1858, 18¢ Scarce Misperfed Error Margin Pair Mint NH - Stuart Katz
$28.15
2095, MNH 20¢ Misperf Error In Block of 20 Stamps - Stuart Katz
$70.50
2101a, MNH 20¢ Dogs Misperfed Error Sheet of 40 Stamps - Stuart Katz
$164.50
2512, MNH 25¢ Large Perforation Shift Error Pair Grand Canyon - Stuart Katz
$42.30
1919a, MNH Scarce Miscut Error 18¢ Space Sheet Shows Gutter at Top- Stuart Katz
$117.50
2090, MNH 20¢ HUGE Perforation Shift Error John McCormack - Stuart Katz
$18.75
2017, MNH 20¢ Miscut Error Sheet of 50 Stamps - Stuart Katz
$89.30
493, Used 3¢ XF Scarce Coil Pair -- Stuart Katz
$95.00
2011, Misperfed Error Zip Block of Four 20¢ Stamps Mint NH -- Stuart Katz
$42.30
1759, MNH 15¢ BIG Color Shift Error Mars Plate Block of Four - Stuart Katz
$164.50
1938a, MNH Block/20 - Pre Printing Paper Folds & Color Shift Errors Stuart Katz
$371.30
1910, 18¢ Tremendous Misperf With Gutter Error Sheet of 50 Stamps - Stuart Katz
$705.00
2062a, MNH 20¢ Color Shift Error Trolley Cars Zip Block of Four - Stuart Katz
$89.30
1409, MNH 6¢ Large Perforation Shift Error Fort Snelling - Stuart Katz
$18.75
1940, MNH 20¢ Xmas Misperfed Error Sheet of 50 Stamps - Stuart Katz
$329.00
2782a, RARE Color Shift Error Sheet of 20 Stamps Possibly Unique! - Stuart Katz
$705.00
806, Mint 2¢ Two Way Misperf Block of Four Error - Stuart Katz
$47.00
1953-02, MNH 20¢ VERY RARE Misperfed Error Sheet of 50 Stamps - Stuart Katz
$559.30
656, Mint 2¢ VF/XF NH GEM Quality Coil Pair - Stuart Katz
$35.00
1919a, MNH Diagonal Misperforated Error Sheet of Space Stamps - Stuart Katz
$2,820.00
1926, MNH 18¢ Scarce Misperforated Error Sheet of 50 Stamps - Stuart Katz
$235.00
1826, MNH 15¢ Large Color Shift Error Plate Block of Four - Stuart Katz
$89.30
C115, MNH 44¢ Tape Splice Error Sheet of 50 Airmail Stamps - Stuart Katz
$465.30
3105, MNH Dramatic Fold Over Error Complete Sheet - AMAZING! - Stuart Katz
$371.30
1846, MNH 3¢ Misperfed Error Sheet of 100 Stamps - Stuart Katz
$277.30
1690, MNH 13¢ RARE Misperf Error Full Sheet of 50 Stamps - Stuart Katz
$235.00
1622, MNH 13¢ RARE Fold Over Error Full Sheet of 100+ Stamps - Stuart Katz
$183.30
2181, MNH 23¢ Ink Smear Block of 30 Stamps Scarce Error! - Stuart Katz
$42.30
1845, MNH 2¢ Ink Smear Full Sheet of 100 Stamps Scarce Error! - Stuart Katz
$235.00
1863, Diagonal Misperfed Error Block of Six 22¢ Stamps Mint NH - Stuart Katz
$47.00
C94a, MNH 21¢ Color Shift Sheet of 100 Airmail Error Stamps - Stuart Katz
$465.30
1622a, MNH 13¢ Imperforate Between PL# Block of 10 Stamps - Stuart Katz
$258.50
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