United States

665, VF NH 7¢ Kansas Plate Block of Four Stamps Cat $700.00 - Stuart Katz

$425.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

Chas. L. Lockwoods Humorous Advertising Cover - Stuart Katz

$14.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

377, Mint 4¢ VF NH Block of Six Stamps VERY FRESH Cat $390.00 - Stuart Katz

$150.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

536, Mint 1¢ F/VF NH Plate Block of Six Stamps Cat $400.00 - Stuart Katz

$225.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

531, Mint 1¢ Superb NH Plate Block of Six Stamps Cat $200.00 - Stuart Katz

$165.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

526, Mint 2¢ VF/XF NH (Ghost) Plate Block of Six Stamps Cat $450.00 Stuart Katz

$325.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

2189, 52¢ Humphrey Dull Gum Sheet of 100 Stamps - Stuart Katz

$75.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

RK22, $1 Consular Service Revenue Stamp Cat $160.00 - Stuart Katz

$120.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

RK11, $2 Consular Service Revenue Stamp Cat $175.00 - Stuart Katz

$140.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

153, Used 24¢ Nice Stamp With a Red Cancel Cat $235.00 - Stuart Katz

$40.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

2037, Green Color Shift ERROR Stamp Mint NH Comes With Normal Too! - Stuart Katz

$70.50

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

151, 12¢ Webster Attractive Stamp - BARGAINED Priced! Cat $210.00 - Stuart Katz

$39.95

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

1686o, "USA 13c" Missing From Position A Error 13¢ Bicentennial - Stuart Katz

$183.30

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

1907, Plate #4 In Strip of Five 18¢ Surrey Coil Cat $55.00 - Stuart Katz

$30.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

2114, Grossly Over Inked PL# Block of Twenty 22¢ ERROR Stamps -- Stuart Katz

$117.50

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

527, VF-XF NH 2¢ Left Side Plate Block of Six Stamps - Stuart Katz

$325.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

RW79, $15.00 2012 Wood Duck Federal Duck Stamp VF OG NH - Stuart Katz

$42.95

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

RW80A, $15 Common Goldeneye DUCK Stamp Self-Adhesive Pane - Stuart Katz

$44.95

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

RW69, $15.00 Black Scoter Duck Stamp VF OG NH -Stuart Katz

$24.95

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

RW77A, $15 American Wigeon DUCK Stamp Self-Adhesive Pane - Stuart Katz

$34.95

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

805b, Mint NH Imperforate Between ERROR Cat $125.00 - Stuart Katz

$47.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

1726, Mint VF NH Untagged ERROR 13¢ Plate Block Cat $400.00 - Stuart Katz

$235.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

2014, Reverse Printing Under Gum ERROR Plate Block Mint NH - Stuart Katz

$94.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

1926, Great Color Shift ERROR Makes For Blurry Image MNH - Stuart Katz

$70.50

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

116, Used 10¢ Blue Colored Cancel Cat $155.00 - Stuart Katz

$40.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

234, Mint VF NH 5¢ Columbian Stamp BIG MARGINS Cat $160.00 - Stuart Katz

$50.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

579, Mint VF NH RARE Block of Four 2¢ Stamps Cat $600.00 - Stuart Katz

$250.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

112, Used 1¢ With Negative Star Fancy Cancel Cat $140.00++ - Stuart Katz

$75.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

Q3, MNH Top Plate No. 6255 and Imprint Block of Ten Cat $479.00 - Stuart Katz

$250.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

RW70 $15.00 Snow Geese Federal Duck Stamp Mint - NH Very Fine Stuart Katz

$25.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

116, Used 10¢ With RARE Negative Anchor Fancy Cancel - Stuart Katz

$275.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

1731, 13¢ Misperforated ERROR Block of 30 Stamps Carl Sandberg - Stuart Katz

$258.50

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

2517a, Mint VF NH 29¢ RARE Vertical Imperforate ERROR Pair - Stuart Katz

$747.30

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

4378, Redwood Forest Issue 2009 $4.95 Priority Mail Sheet of 20 - Stuart Katz

$125.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

2279a, Mint VF NH "E" 25¢ Imperforate Miscut Coil Pair ERROR - Stuart Katz

$84.60

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

1947a, Mint VF NH "C" 20¢ RARE Imperforate Coil Pair ERROR - Stuart Katz

$564.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

1477, Large Misperforation Shift ERROR Block of Six Mint NH - Stuart Katz

$84.60

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

1950, Large Misperforated ERROR 20¢ Franklin Roosevelt Plate Block - Stuart Katz

$47.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

1847, Misperfed 4¢ Plate Block Amazing ERROR Mint NH - Stuart Katz

$70.50

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

2012, Large Misperforated ERROR 20¢ The Barrymores Plate Block MNH - Stuart Katz

$89.30

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

2015, Large Misperforated ERROR 20¢ Libraries Plate Block MNH - Stuart Katz

$79.90

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

1716, Red Color Missing From Top Right Stamp MAJOR ERROR Mint NH - Stuart Katz

$235.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

1731, Misperforated ERROR Plate Block With PL# Captured on Stamp - Stuart Katz

$47.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

1735, Major Fold Over ERROR Plate Block of Six 15¢ Stamps MNH - Stuart Katz

$258.50

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

1477, Large Misperforation Shift ERROR Block of Six Mint NH -- Stuart Katz

$84.60

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

807, Six Misperforation ERROR Plate Blocks 3¢ Prexie Stamps - Stuart Katz

$188.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

1825, Misperforated ERROR Plate Block 15¢ Veterans Stamps - Stuart Katz

$79.90

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

1833, Misperforation ERROR Plate Block of 6 Stamps 15¢ Learning -- Stuart Katz

$70.50

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

1926, Black Color Shift MAJOR ERROR - PL# Strip of 20 Stamps - Stuart Katz

$164.50

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

3473, $12.25 2001 Express Mail Full Sheet of 20 Stamps CV $685.00 - Stuart Katz

$325.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

4145, $16.25 VF Express Mail Sheet of Twenty Stamps Marine One - Stuart Katz

$445.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

1825, Misperforation Shift ERROR Block of 20 Stamps 15¢ Veterans - Stuart Katz

$188.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

RW76A, $15 Long-Tailed DUCK Stamp Self-Adhesive Pane - Stuart Katz

$32.95

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

1804, Large Misperforation ERROR PB of 20 Stamps Black Heritage - Stuart Katz

$282.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

815 Var, Mint LH Double Paper With Tape Splice PL# Block of Four - Stuart Katz

$84.60

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

1716, HUGE Misperforated ERROR 13¢ Plate Block of Four Stamps - Stuart Katz

$89.30

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

2618, 29¢ Love Misperforation & Foldover ERROR Sheet of 50 - Stuart Katz

$935.30

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

499, Spectacular Foldover Block of Ten 2¢ Washington Stamps - Stuart Katz

$282.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

825 Var, Mint LH Double Paper With Tape Splice PL# Block of Four - Stuart Katz

$84.60

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

1728, Amazing Paperfold ERROR Plate Block of 10 Stamps Bicentennial Stuart Katz

$141.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

1934, Large Color Shift ERROR Plate Block of Six Stamps - Stuart Katz

$89.30

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

1632, 13¢ Color Shift ERROR Plate Block of Ten Stamps - Stuart Katz

$188.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

806, Misperforation ERROR Shift PL# Block of 34 Stamps RARE! - Stuart Katz

$117.50

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

1704, RARE Double Perorations ERROR PB of 10 Stamps Bicentennial - Stuart Katz

$376.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

1818, Full Sheet With Two Almost Blank Rows Eye Catching ERROR - Stuart Katz

$470.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

2278, Red Tape Splice on Block of 70 Stamps Eye Catching ERROR - Stuart Katz

$465.30

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

1756, Huge Misperforated ERROR Plate Block of Four 15¢ Stamps MNH - Stuart Katz

$117.50

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

RW68, $15.00 Northern Pintail Federal Duck Stamp VF NH - Stuart Katz

$26.95

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

1541b, Light Blue & Yellow Colors Omitted ERROR 10¢ Minerals MNH - Stuart Katz

$634.50

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

723, Mint NH 6¢ Garfield Coil Line Pair Cat $82.50 - Stuart Katz

$25.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

RW63, $15.00 Surf Scoter Federal DUCK Stamp Mint VF NH - Stuart Katz

$19.95

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

2045, Color Shift Major ERROR 20¢ Plate Block Medal of Honor - Stuart Katz

$235.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

2036, Misperforated ERROR 20¢ Franklin Plate Block of Four Stamps - Stuart Katz

$94.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

1725, Huge Color Shift ERROR With PL# Captured On Stamp Plate Block Stuart Katz

$282.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

1705, Huge Color Shift ERROR Plate Block 13¢ Recording Stamps MNH - Stuart Katz

$141.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

2073, Misperforated ERROR Plate Block With PL# Captured on Stamp - Stuart Katz

$117.50

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

585, Block of Six Stamps With Dry Printing ERROR on Right 3 Stamps Stuart Katz

$84.60

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

RW74, $15.00 Ring Necked Duck Stamp VF OG NH - Stuart Katz

$26.95

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

1383, Large Misperforation ERROR Pair on 6¢ Eisenhower Mint NH Stuart Katz

$56.40

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

1323, Large Misperforation ERROR Pair on 5¢ Grange Mint NH Stuart Katz

$70.50

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

531, Mint Superb NH WIDE TOP Plate Block of Six Stamps Cat $200.00 - Stuart Katz

$160.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

528, Mint VF NH 2¢ Wide Top Plate Block of Six Stamps Cat $175.00 - Stuart Katz

$135.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

R98a, Superb $20 Conveyance Revenue Stamp Cat $175.00 - Stuart Katz

$150.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

633, Mint NH/H Plate Block With Four Gum Breakers on Each Stamp - Stuart Katz

$200.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

5052a, Scarce Die Cutting Omitted ERROR Pair Flag - Stamps - Stuart Katz

$56.35

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

1008, MNH NATO Stamp Printed on Very Thin Paper ERROR - Stuart Katz

$117.50

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

1206, MNH 4¢ Education Color Shift ERROR Plate Block of 4 Stamps - Stuart Katz

$56.40

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

238, Used 15¢ XF-Superb GEM Columbian Issue - Stuart Katz

$90.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

2211a, Mint NH 22¢ Duke Ellington Imperforate Horiz Between ERROR - Stuart Katz

$470.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

371, Mint VLH 2¢ RARE Center Line Block of Four Stamps Cat $160.00 - Stuart Katz

$120.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

411, Mint 2¢ VF NH Coil Strip of Three in Carmine Well Centered - Stuart Katz

$60.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

2431b, MNH 25¢ Eagle Die Cutting Omitted ERROR Pair - Stuart Katz

$235.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

2902a, XF Mint NH Nonprofit Org Imperforate Coil Pair ERROR - Stuart Katz

$376.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

1467a, MNH 8¢ Wildlife Large Color Shift Freak Error Block of 4 - Stuart Katz

$93.06

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

2513P, MNH XF Imperforate Pair 25¢ Eisenhower Proof Cat $875.00 - Stuart Katz

$658.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

1157, 4¢ Mexico Misperforated ERROR Block of Six Stamps Mint NH - Stuart Katz

$47.00

Please sign in to buy

This product cannot be added to the
cart because you are not logged in.

Featured Stamp Sellers

My Account

Join Free

Quick Links

Support