United States

Newest Items First
96 Per Page
C150a, Die Cutting Omitted on Front ERROR PL# Block Cat $1,400.00 - Stuart Katz
$1,123.30
1484a Imperforate Between PL# Block of 24 Stamps (12 Pairs) CV $1920 Stuart Katz
$1,405.30
2578, 29¢ Two Way Misperforation Error Christmas Stamp ** Stuart Katz
$42.30
489, Mint NH Line Strip of Four Stamps Cat $90.00 - Stuart Katz
$45.00
O122, RARE Mint NH 50¢ Official Stamp With Sideographer's Initials - Stuart Katz
$425.00
1197, 4¢ Louisiana Large Perforation Shift Design Change Error -- Stuart Katz
$23.45
RW2, Mint VF NH - NO Skips or Bends FRESH! With PFC Certificate - Stuart Katz
$575.00
C96a, Stunning Color Shift Error Pair Inscription Missing! * Stuart Katz
$89.30
1284 Var, Block With Gutter Space Between Stamps With PFC Cert - Stuart Katz
$235.00
C71, 20¢ Spectacular Two Way Misperforated Error Airmail Stamp - Stuart Katz
$70.50
1541a, 10¢ Minerals HUGE Color Shift Error Block With Normal MNH -- Stuart Katz
$235.00
1443a, 8¢ Scarce Misperfed Error Block Of Four Stamps Mint NH * Stuart Katz
$42.30
1841a, 15¢ Misperfred Right Down The Middle Error Block Of Four + Stuart Katz
$117.50
1690, 13¢ Outstanding Set Of Three Different Errors With Normal * Stuart Katz
$117.50
1394, 8¢ Two Way Misperforated Error Plate Block of Six Mint NH * Stuart Katz
$70.50
2585, 29¢ Imperforate Pair "Printers Waste" Still Nice! - Stuart Katz
$89.30
1284, 3¢ Two Different Misperforation Errors Mint NH With Normal * Stuart Katz
$42.30
1763a, 15¢ Misperfed Error Owls PB Of Four Inscription Missing - Stuart Katz
$89.30
1804 Var, Mint NH Imperforate Pair (Printers Waste) Scarce! * Stuart Katz
$61.10
1338, 6¢ Block of Six With Imperforate Margin Error Mint NH * Stuart Katz
$47.00
617, VF Mint NH Scarce Top Sheet of 50 1¢ Stamps Brookman $400.00 -- Stuart Katz
$275.00
C85, 11¢ Two Way Misperforated Error Block Inscription Missing * Stuart Katz
$235.00
2443, Excellent Color Shift Error Double Seagulls Complete Booklet - Stuart Katz
$141.00
1560b, Full Horiz Gutter Between Stamps & Color Missing PFC Cert - Stuart Katz
$935.30
PS14, $1 Savings Stamp WHOLESALE LOT OF 88 Stamps Cat $1100.00++ - Stuart Katz
$395.00
2578, 29¢ Two Way Misperforation Error Christmas Stamp With Normal * Stuart Katz
$42.30
2014, Partial Reverse Printing Under Gum Error Sheet of 50 - Stuart Katz
$141.00
Classic American Aircraft Sheet of Twenty 32 Cent Stamps Scott 3142a
$12.95
J94 Var, Mint Dry Gum Variety - Fairly Scarce! Cat $70.00 - Stuart Katz
$40.00
1446, Mint NH 8¢ Drastically Misperforated Error Block W/Normal - Stuart Katz
$56.40
617, VF Mint NH Scarce Top Sheet of 50 1¢ Stamps Brookman $400.00 - Stuart Katz
$275.00
1547c, VF NH 10¢ Green Color Omitted Error With APS Cert Stuart Katz
$376.00
1472, Mint 8¢ Misperfed ERROR Block of Four Santa Stamps - Stuart Katz
$47.00
575, Mint XF NH Left Side Plate Block of Six Stamps A GEM! -- Stuart Katz
$90.00
C125b, Mint VF NH Light Blue Color Omitted Error APS Cert - Stuart Katz
$446.50
QE2a Mint NH VF Plate Block of Six - Dry Printing CV $135.00 Stuart Katz
$75.00
3830De 37¢ Egret "USPS" Microprinted on Bird's Breast Cat $110.00 - Stuart Katz
$45.00
622-23, Two VF NH Plate Blocks of Six BEAUTIES! Cat $625.00 - Stuart Katz
$450.00
1285, Large Misperforation ERROR Block of 8¢ Einstein Stamps - Stuart Katz
$46.95
RW30, Mint XF NH DUCK Plate Block of Four Cat $450.00 - Stuart Katz
$275.00
1205, Large Misperforation Scarce ERROR Block of 4¢ Stamps MNH - Stuart Katz
$70.50
1591, MNH 9¢ U.S. Capital Misperforation ERROR Strip of 3 Stamps - Stuart Katz
$14.10
1382, 6¢ Mint NH Large Color Shift Error Football Stamp - Stuart Katz
$23.45
2075, RARE ERROR Sheet of 50 20¢ Stamps Credit Union Mint NH - Stuart Katz
$470.00
C116 Complete Sheet of 50 FR. Junipero Serra 44 Cent Airmail Stamp - Stuart Katz
$69.95
2979, 32¢ Carousel Horses Complete Sheet of 20 Stamps - Stuart Katz
$11.95
426, Mint NH Plate Block With "PINK" Aniline Back VERY RARE! - Stuart Katz
$400.00
2579a Var SHEET OF 50 - IMPERF PAIRS & DOUBLE PERF ERROR Cat $4,375.00+
$1,645.00
All Over Back Gold Medal Flour Advertising Cover With Enclosure - Stuart Katz
$14.00
The Plumbers Trade Journal 1904 Advertising Cover - Stuart Katz
$6.00
1930 Gray Horse, OKLA RARE Horse Fancy Cancel Registered Cover -- Stuart Katz
$487.50
559, Mint XF/Superb NH 7¢ JUMBO - Well Centered Stamp! - Stuart Katz
$75.00
General Upholsterers ALL OVER 3/15/1922 Advertising Cover - Stuart Katz
$9.00
C5, Mint H/NH VF/XF Block of Four Airmail Stamps Cat $360.00 - Stuart Katz
$225.00
OK Brand of Beans 1893 Rochester, NY Advertising Cover - Stuart Katz
$9.00
Coe Electrical Contracting All Over Yellow 1932 Advertising Cover - Stuart Katz
$11.00
567, RARE XF 20¢ "Worden" Wash, DC First Day Cover Cat $600.00 - Stuart Katz
$350.00
All Over J.A. Fay & Co Patent Woodworking Machines Advertising Cover Stuart Katz
$14.00
Meyer's Iron Frame Piano Advertising Cover - Stuart Katz
$14.00
2114, RARE Misperforation Error P.B. With Gutter! Mint NH - Stuart Katz
$70.50
C92a, 31¢ Large Color Shift Error Makes For Doubling Of Design - Stuart Katz
$46.95
298, Used XF 8¢ Panama Canal Stamp GEM QUALITY - Stuart Katz
$75.00
1731c, MNH With All Colors Omitted Major Error In Pair - Stuart Katz
$705.00
2062b, Mint NH Black Color Omitted Error Plate Block With Normal - Stuart Katz
$329.00
441, Mint Superb NH 1¢ Nicely Centered Coil Pair - Stuart Katz
$150.00
483, Mint Superb OG NH Plate Block of Six Stamps Cat $200.00 - Stuart Katz
$169.00
390, Mint VF NH 1¢ Coil Line Pair Cat $72.50 - Stuart Katz
$40.00
149, Used 7¢ XF GEM With JUMBO Margins Stunning Stamp! - Stuart Katz
$140.00
152, Used 15¢ VF Very Light Cancel Well Centered Cat $210.00 - Stuart Katz
$190.00
1304, Mint NH 5c Pair - RARE MISCUT & MISPERFORATION ERROR - Stuart Katz
$47.00
C81, 21¢ Airmail With Tagging Shift Error Looks Like 2X Impression - Stuart Katz
$70.50
1735, Major Fold Over ERROR Plate Block of Nine 15¢ Stamps MNH - Stuart Katz
$305.50
RW55, Snow Goose Federal Duck Stamp VF OG NH - Stuart Katz
$12.50
1307, RARE Reverse Printing Under Gum ERROR Complete Sheet of 50 - Stuart Katz
$282.00
C57, RARE Misperfed ERROR In Complete Sheet of 50 Stamps - Stuart Katz
$235.00
444, Used 2¢ Washington VF Quality Coil Stamp - Stuart Katz
$30.00
C81, RARE Reverse Printing Under Gum ERROR Plate Block Mint NH - Stuart Katz
$70.50
1238, Blue Color Missing From Stamp ERROR - VERY RARE! Mint NH - Stuart Katz
$705.00
583, MNH 2¢ Perforation 10 Plate Block Of Four Stamps Cat $110.00 -- Stuart Katz
$40.00
566, Mint 15¢ VF NH Liberty Block of Six Stamps Cat $210.00 - Stuart Katz
$75.00
2897, 32¢ Complete Sheet of 100 Stamps Brookman $115.00 - Stuart Katz
$59.95
White House Tea & Coffee Double Sided Advertising Cover - Stuart Katz
$13.00
151, Used 12¢ - Lightly Cancelled Cat $210.00 -- Stuart Katz
$50.00
RK28, $2 Consular Service Revenue Stamp Cat $125.00 - Stuart Katz
$85.00
RK9, 50¢ Consular Service Revenue Stamp Cat $150.00 - Stuart Katz
$85.00
1459a, Mint NH With Reverse Printing Under Gum ERROR WoW - Stuart Katz
$235.00
RW34, Mint XF NH Plate Block Old Squaws Federal Duck Stamp - Stuart Katz
$375.00
1732, 13¢ Misperfed ERROR Plate Block of 10 Stamps Captain Cook MNH Stuart Katz
$136.30
532, Superb NH 2¢ Left Side Plate Block of Six Stamps - Stuart Katz
$500.00
2169, Major Fold Over ERROR Sheet of 100 2¢ Stamps WoW - Stuart Katz
$141.00
RW81A, Canvasback Federal Duck Stamp Self-Adhesive Pane - Stuart Katz
$44.95
702, Red Cross is Shifted Far to the Right Block With Normal - Stuart Katz
$188.00
RW72A, $15 Hooded Manganser DUCK Stamp Self-Adhesive Pane - - Stuart Katz
$32.95
1690, Reverse Printing Under Gum ERROR Plate Block Mint NH - Stuart Katz
$47.00
677, Mint XF NH Plate Block 8¢ Nebraska Cat $550.00 - Stuart Katz
$450.00
117, Used 12¢ Red and Black Color Cancels Cat $270.00 - Stuart Katz
$99.00
50 - 64  Prev
58 59 60 61 62 63 64 65 66 67 68 69 70 71 72
Next  66 - 80

Featured Stamp Sellers

Condition
Grade
Price

$  –  $

  • $2
  • $18500