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1338, 6¢ Block of Six With Imperforate Margin Error Mint NH * Stuart Katz

$47.00

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617, VF Mint NH Scarce Top Sheet of 50 1¢ Stamps Brookman $400.00 -- Stuart Katz

$275.00

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C85, 11¢ Two Way Misperforated Error Block Inscription Missing * Stuart Katz

$235.00

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2443, Excellent Color Shift Error Double Seagulls Complete Booklet - Stuart Katz

$141.00

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1560b, Full Horiz Gutter Between Stamps & Color Missing PFC Cert - Stuart Katz

$935.30

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PS14, $1 Savings Stamp WHOLESALE LOT OF 88 Stamps Cat $1100.00++ - Stuart Katz

$395.00

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2578, 29¢ Two Way Misperforation Error Christmas Stamp With Normal * Stuart Katz

$42.30

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2014, Partial Reverse Printing Under Gum Error Sheet of 50 - Stuart Katz

$141.00

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Classic American Aircraft Sheet of Twenty 32 Cent Stamps Scott 3142a

Réf.: SK-08819

$12.95

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J94 Var, Mint Dry Gum Variety - Fairly Scarce! Cat $70.00 - Stuart Katz

$40.00

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1446, Mint NH 8¢ Drastically Misperforated Error Block W/Normal - Stuart Katz

$56.40

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617, VF Mint NH Scarce Top Sheet of 50 1¢ Stamps Brookman $400.00 - Stuart Katz

$275.00

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1547c, VF NH 10¢ Green Color Omitted Error With APS Cert Stuart Katz

$376.00

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1472, Mint 8¢ Misperfed ERROR Block of Four Santa Stamps - Stuart Katz

$47.00

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575, Mint XF NH Left Side Plate Block of Six Stamps A GEM! -- Stuart Katz

$90.00

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C125b, Mint VF NH Light Blue Color Omitted Error APS Cert - Stuart Katz

$446.50

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QE2a Mint NH VF Plate Block of Six - Dry Printing CV $135.00 Stuart Katz

$75.00

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3830De 37¢ Egret "USPS" Microprinted on Bird's Breast Cat $110.00 - Stuart Katz

Réf.: SK-07708

$45.00

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622-23, Two VF NH Plate Blocks of Six BEAUTIES! Cat $625.00 - Stuart Katz

$450.00

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1285, Large Misperforation ERROR Block of 8¢ Einstein Stamps - Stuart Katz

$46.95

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RW30, Mint XF NH DUCK Plate Block of Four Cat $450.00 - Stuart Katz

$275.00

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1205, Large Misperforation Scarce ERROR Block of 4¢ Stamps MNH - Stuart Katz

$70.50

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1591, MNH 9¢ U.S. Capital Misperforation ERROR Strip of 3 Stamps - Stuart Katz

$14.10

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1382, 6¢ Mint NH Large Color Shift Error Football Stamp - Stuart Katz

$23.45

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2075, RARE ERROR Sheet of 50 20¢ Stamps Credit Union Mint NH - Stuart Katz

$470.00

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C116 Complete Sheet of 50 FR. Junipero Serra 44 Cent Airmail Stamp - Stuart Katz

Réf.: c116

$69.95

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2979, 32¢ Carousel Horses Complete Sheet of 20 Stamps - Stuart Katz

Réf.: SK-16993

$11.95

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426, Mint NH Plate Block With "PINK" Aniline Back VERY RARE! - Stuart Katz

$400.00

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2579a Var SHEET OF 50 - IMPERF PAIRS & DOUBLE PERF ERROR Cat $4,375.00+

$1,645.00

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All Over Back Gold Medal Flour Advertising Cover With Enclosure - Stuart Katz

$14.00

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The Plumbers Trade Journal 1904 Advertising Cover - Stuart Katz

$6.00

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1930 Gray Horse, OKLA RARE Horse Fancy Cancel Registered Cover -- Stuart Katz

$487.50

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559, Mint XF/Superb NH 7¢ JUMBO - Well Centered Stamp! - Stuart Katz

$75.00

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General Upholsterers ALL OVER 3/15/1922 Advertising Cover - Stuart Katz

$9.00

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C5, Mint H/NH VF/XF Block of Four Airmail Stamps Cat $360.00 - Stuart Katz

$225.00

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OK Brand of Beans 1893 Rochester, NY Advertising Cover - Stuart Katz

$9.00

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Coe Electrical Contracting All Over Yellow 1932 Advertising Cover - Stuart Katz

$11.00

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567, RARE XF 20¢ "Worden" Wash, DC First Day Cover Cat $600.00 - Stuart Katz

$350.00

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All Over J.A. Fay & Co Patent Woodworking Machines Advertising Cover Stuart Katz

$14.00

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Meyer's Iron Frame Piano Advertising Cover - Stuart Katz

$14.00

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2114, RARE Misperforation Error P.B. With Gutter! Mint NH - Stuart Katz

$70.50

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C92a, 31¢ Large Color Shift Error Makes For Doubling Of Design - Stuart Katz

$46.95

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298, Used XF 8¢ Panama Canal Stamp GEM QUALITY - Stuart Katz

$75.00

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1731c, MNH With All Colors Omitted Major Error In Pair - Stuart Katz

$705.00

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2062b, Mint NH Black Color Omitted Error Plate Block With Normal - Stuart Katz

$329.00

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441, Mint Superb NH 1¢ Nicely Centered Coil Pair - Stuart Katz

$150.00

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483, Mint Superb OG NH Plate Block of Six Stamps Cat $200.00 - Stuart Katz

$169.00

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390, Mint VF NH 1¢ Coil Line Pair Cat $72.50 - Stuart Katz

$40.00

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