United States

Newest Items First
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RW82A, 2016 Ruddy Duck Stamp Self-Adhesive Pane - Stuart Katz
$64.95
2590, Large Misperforated ERROR $1 Saratoga Plate Block MNH -- Stuart Katz
$164.50
1015, Scarce Misperforated ERROR Block of Six Stamps Mint NH - Stuart Katz
$51.70
4439, MNH VF Sheet $18.30 Bixby Creek Bridge Express Mail Stamps Stuart Katz
$550.00
1934 Color Shift ERROR Zip Block of 4 - 18¢ Frederic Remington - Stuart Katz
$70.50
2201b, Black Color Omitted Booklet of 2 ERROR Panes CV $100 - Stuart Katz
$19.99
1879a, 18¢ Flowers Misperforated ERROR Plate # Block of 16 Stamps - Stuart Katz
$371.30
2566b, Mint NH 29¢ Comedians Color Omitted Booklet Pane ERROR -- Stuart Katz
$305.50
2121b, Mint NH 22¢ Sea Shells Color Omitted Booklet Pane ERROR -- Stuart Katz
$305.50
1477, Large Misperforation Shift ERROR Plate Block of Four Mint NH - Stuart Katz
$70.50
1690, 13¢ Bicentennial Dark Blue Color Shift ERROR PL# Block of 20 Stuart Katz
$235.00
1804, Large Misperforation ERROR PB of 12 Stamps Black Heritage - Stuart Katz
$141.00
496, Mint VF NH 5¢ Coil Line Pair Cat $65.00 - Stuart Katz
$25.00
1767a, Misperforation Shift ERROR Plate Block of 16 Stamps 15¢ Trees Stuart Katz
$376.00
1845, Misperforated ERROR 2¢ Plate Block of 12 Stamps - Stuart Katz
$42.30
J63 Mint VF-XF NH 3¢ Plate Block of Six Stamps Cat $275.00 - Stuart Katz
$225.00
2104, Misperforation Shift ERROR PB of 20 - 20¢ Family Unity - Stuart Katz
$329.00
2015, RARE Reverse Printing Under Gum Plate Block of Four Stamps - Stuart Katz
$164.50
2527a, Outstanding Foldover ERROR 29¢ Rose Booklet Pane - Stuart Katz
$282.00
2979a, 32¢ Carousel Horses Misperforation ERROR Plate Block - Stuart Katz
$141.00
1699, Amazing Paperfold ERROR Plate Block of 12 Stamps 13¢ Maass - Stuart Katz
$141.00
2066, Misperforated ERROR Alaska Plate Block PL# Captured on Stamp - Stuart Katz
$141.00
1752a, Huge Misperforated ERROR Block of 4 With PL# 13¢ Stamps MNH - Stuart Katz
$79.90
1477, Large Misperforation Shift ERROR Block of Four Mint NH - Stuart Katz
$56.40
2247a, Silver Color Omitted ERROR 22¢ Pan Am Games Mint NH - Stuart Katz
$465.30
2443b, Blue Omitted Booklet Pane ERROR in Booklet Cover - Stuart Katz
$705.00
1934, Imperforate Top Margin Plate Block of Four Remington Stamps - Stuart Katz
$84.60
1705, Two Different Large Color Shift ERRORS Mint NH - Stuart Katz
$47.00
1938a, Misperforated ERROR York Town Plate Block of Four Stamps - Stuart Katz
$79.90
2015, Misperforated ERROR Plate Block With PL# Captured on Stamp - Stuart Katz
$117.50
RW73b Mint NH XF Duck Souvenir Sheet With Just Artist Signature - Stuart Katz
$49.95
1800, Misperforated ERROR Plate Block of 10 PL# Captured on Stamps - Stuart Katz
$282.00
1284b, Misperforation ERROR Booklet Pane 6¢ F.D.R. Mint NH Stuart Katz
$47.00
Racing Car Indianapolis, IN fancy Cancel - Extremely Rare Cover -- Stuart Katz
$260.00
527, Mint F-VF NH Plate Block of Six Stamps Cat $350.00 - Stuart Katz
$195.00
528, Mint VF NH Plate Block of Six Stamps Cat $175.00 - Stuart Katz
$140.00
2238a, Big Solvent Smear ERROR Block of Four 22¢ Navajo Art MNH - Stuart Katz
$117.50
463, Mint VF NH Plate Block PL# 7942 From Error Sheet $250.00 - Stuart Katz
$190.00
632//42, Mint NH With Four Gum Breakers on Each Stamp RARE SET - Stuart Katz
$295.00
1420, Scarce Misperforation ERROR Pair of 6¢ Pilgrim Mint NH - Stuart Katz
$70.50
R52a, 30¢ Inland Exchange Revenue VF With Clear Margins Cat $72.50 - Stuart Katz
$39.95
3557a, MNH 34¢ Langston Hughes Imperforate ERROR Pair - Stuart Katz
$540.50
FA1, Mint NH With Gum Applied to Front Of Stamp ERROR - Stuart Katz
$37.60
642 Variety, Mint NH 10¢ With Four Gum Breakers - Stuart Katz
$37.60
2579b, Mint NH 29¢ Santa Imperforate Horizontal Between ERROR Pair - Stuart Katz
$282.00
1910, Color Shift ERROR Sheet of 50 18¢ Red Cross Stamps Mint NH - Stuart Katz
$277.30
1132, MNH 4¢ Flag Misperforation ERROR Pair of Stamps -- Stuart Katz
$37.60
1845, Mint NH 2¢ Block of 20 With Large Misperforation ERROR - Stuart Katz
$70.50
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