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Norman Mingo MAD Magazine Alfred E. Neuman as General Put*On Patton Parody Stamp

$ 2.63 $ 1.57

2280 "Snowy Mountains" Variety

$ 33 $ 19.8

#1901b IMPERF "BICYCLE" PAIR MAJOR ERROR CV 0 BR9678

$ 89.32 $ 53.59

2452c 05c Circus Wagon Imperforate Error Pair CV 0

$ 66.83 $ 40.1

MISCUT,MISPERFORATED, SHIFTED TAGGING Coil Pair-11c Tagged Caboose, Scott #1905

$ 5.05 $ 3.03

Natural History Color Frame Shift Errors Stamp Block #1387 1388 1389 1390 1390a

$ 13.19 $ 7.91

Error 1548 Black Color Shift Sleepy Hollow 10 cent. Issued in 1974.

$ 5.28 $ 3.16

EFO C11 BLK/4 DRAMATIC BLUE SHIFT TO LR BUILDING INTO "5" TOWER COVERS "N"

$ 176 $ 105.6

#2261 16.7c Popcorn Wagon Strip of 5 Miscut Top to Bottom Error MNH OG VF

$ 26.4 $ 15.83

EFO 1381 "PROFESSIONAL BASEBALL" HAS GHOST IMAGE AT BOTTOM

$ 17.6 $ 10.56

IMPERFORATE ERROR Coil Pair Scott # 2265a, 21c Railroad Mail Car 1920s

$ 25.52 $ 15.31

US #J97, two stamps with peripatetic precancel Mountain Creek, Alabama.

$ 2.64 $ 1.58

US #2474b 25¢ Lighthouse Strip of 5, VF NH MNH, white "25 USA" omitted

$ 55 $ 33

2514 - "Christmas" Misperf Error / EFO Change of Design Mint NH

$ 6.59 $ 3.95

P866 US stamps Scott ? 15c Plate Number Shown +Line Error UH Nice Coll

$ 6.02 $ 3.61

#1618ce 15c Flag Coil Pair EFO Imperforated Between MNH OG VF CV 0.00 #2

$ 66 $ 39.6

1610, HUGE Color Shift Error of the Candle With Normal Mint NH - Stuart Katz

$ 110 $ 66

US #905 MNH EFO: heavily overinked block OF 4 MNH

$ 35.64 $ 21.38

1271a Error Yellow Omitted VF-XF OG NH SCV. 0 (JH 4/3/2020)

$ 116.16 $ 69.69

542 - Misperf Error / EFO Pair Perf 10x11 "Washington" Mint NH "Read"

$ 9.67 $ 5.8

1890e - Scarce Imperf & Untagged Error Blk4 W/Pl# Newly Listed Unpriced Mint NH

$ 290.39 $ 174.23

1305E 15¢ Holmes misperf coil pair MNH

$ 3.74 $ 2.24

usps stamps statue of freedom miscut error

$ 440 $ 264

2342 Great Old Man on the Mountain Color Shift!

$ 13.2 $ 7.91

EFO 1229 MISPERFED COIL PAIR

$ 6.6 $ 3.95

US Postal Error Misprinted Forever Stamps w/ Inverted and Misaligned Text

$ 11.43 $ 6.85

#1618CD  Ft. McHenry Flag Imperf Error Stamp   MNH OG VF

$ 105.55 $ 63.33

C115 Trans Pacific Airmail Color Shift Plate Block

$ 48.4 $ 29.04

US ERROR Stamps #1402a Eisenhower. Perf to Imperf transition coil strip! MNH

$ 8.79 $ 5.27

US Stamps - EFO - #677 8c Nebr. Overprint - Pair w/Wide Spacing in Strip/3 - MNH

$ 131.99 $ 79.19

EFO-Scott #2121a - 22¢ Seashell Booklet pane of 10 with horizontal Plate Scratch

$ 8.75 $ 5.25

US, 1934 Trudeau TB Sanitorium Christmas Seal Blue Offset Exhibit & FREAK, MNH

$ 25.15 $ 15.09

US Sc 3261,3472,3647A,4018,4144,4268 used. 1998-2008 Priority Mail, 6 diff, F-VF

$ 17.57 $ 10.54

#2523C  29 Cent Rushmore Toledo Brown Coil Stamp - of 5 MNH OG F-VF

$ 70.35 $ 42.21

#1699a HORIZ. PAIR "CLARA MAASS" XF-SUPERB NH W/ IMPERF VERT MAJOR ERROR BT3057

$ 308 $ 184.8

EFO 1596 RED SMEAR AT RIGHT OF STAMP INTO BOTTOM MARGIN ALSO RED INK "GHOSTS"

$ 17.6 $ 10.56

US SCOTT #1502a BLACK Omitted, SCV 0.00, Shown w Normal, Awesome! garyposner!

$ 396 $ 237.6

U.S. Scott #2903a (5c) Mountain BEP Pair TAGGED IN ERROR MNH OG VF Cat. .00

$ 3.51 $ 2.1

1468. Color Shift Error NH Mint Sheet cat w/ 2 tails all double image

$ 101.2 $ 60.72

1470, Color Shift ERROR Sheet of 50 8¢ Tom Sawyer Stamps - Stuart Katz

$ 352 $ 211.2

1898Ae Scarce PNC3 #3 Tagging Omitted Error Mint NH

$ 158.39 $ 95.03

US Sc 2394, 2540, 2541 used. 1988-1991 Priority & Express Mail Eagles, sm faults

$ 7.89 $ 4.73

#1041 Statue Of Liberty over ink freaks plate block of 4 Mint NH OG 1954

$ 21.95 $ 13.17

USA #CVP91b - blue color printing variety (most likely due to doctor blade)

$ 14.87 $ 8.92

EFO #E14 black plate number offset printing on gum side

$ 19.8 $ 11.88

US #526, Type IV, offset print, EFO, plate number single with 2 plate numbers.

$ 44 $ 26.4

E19 - Scarce 20c Misperf Error / EFO Special Delivery "Post Office Truck" MNH

$ 19.35 $ 11.61

EFO 925-C34 (10) COLLECTION OF TEN DRY AND SMEAR PRINTING ISSUES

$ 88 $ 52.8

C23a Airmail Imperf ERROR Mint Pair of 2 Stamps NH (Stock C23 By 311)

$ 290.39 $ 174.23

#1057 EFO Coil Line Strip of 5 w/Partial Plate # MNH OG VF "Includes New Mount"

$ 17.6 $ 10.56

US #219v (1890) 1c Benjamin Franklin - Blue - Used - EFO: Flame on 1s - XF/S

$ 3168 $ 1900.8

US Stamp Scott # 220a (1890) 2c Used  - With Cap on 'LEFT' #2

$ 6.16 $ 3.69

US Scott #4868b, 2014 "FOREVER" FLAG ISSUE, PLATE NO. COIL OF 6! from garyposner

$ 1144 $ 686.4

US # 220a (1890) 2c-Used-Fine-EFO: Guide Line Arrow Tip - 1/400 {Scarce/Rare}

$ 395.96 $ 237.57

US # 4806 (2013) - Inverted (center) Jenny S/S Error: Missing red line! RARE

$ 3960 $ 2376

1995 ATOMIC BOMBS END WWII NON-ISSUED RESCINDED US STAMP 4 Varieties MNH VF

$ 19.36 $ 11.61

#1903B IMPERF COIL PAIR BM2413

$ 66 $ 39.6

US Scott #1938a, Black Color Dramatically Shifted! Mint-NH (SK)

$ 30.79 $ 18.47

US, 1939 Christmas Seal, Pink Doubling, Misperforated, Perf 12 1/2 3S, MNH

$ 57.71 $ 34.63

Scott 319 Variety Mint Vertical Pair (Washington) NH/H Misperfed EFO E5

$ 66 $ 39.6

632 1 Cent Franklin Pair with Smear on Stamp at Left.

$ 8.75 $ 5.25

EFO REVENUE COLLECTION OF TWELVE WITH PRE-PRINTING PAPERFOLDS

$ 88 $ 52.8

EFO C84 "LOW TIDE" VARIETY WITH BLUE COLOR SHIFTED TO RIGHT AWAY FROM SHORE

$ 39.6 $ 23.76

703 "Yorktown" Huge Color Shift Error / EFO Plate# Block Mint NH

$ 14.95 $ 8.97

Legends of the West Error Sheet and Normal Sheet - Scott#'s 2869 & 2870 - MNH

$ 52.8 $ 31.67

1610, Flame Color Shift Error Mint Never Hinged * Stuart Katz

$ 26.35 $ 15.81

702, MNH Red Cross Shifted Left Error In Complete Sheet of 100 - Stuart Katz

$ 440 $ 264

EFO 1473 8c PHARMACY COLORS MISREGISTERED 3

$ 22 $ 13.2

US. 899. Statue of Liberty Vertical Pair almost Imperf. Only 3 Half Hole. RARE.

$ 17.13 $ 10.28

RARE ERROR 1993 Garden Flowers Error Stamps, Postal Commemorative Society

$ 110 $ 66

#1618b Coil Strip EFO Freak 13c Liberty Bell Misperforated Strip of 9 MNH OG VF

$ 30.8 $ 18.48

#2609a Flag over White House EFO Imperforated Pair MNH OG "Includes New Mount"

$ 13.2 $ 7.91

EFO 498 NH BLK4 NARROW GUM SKIP TOP STAMPS DOUBLE TRANSFER

$ 35.2 $ 21.12

US Scott #2562-66c complete booklet, top strip missing Scar & Brt violet, nh og

$ 131.95 $ 79.17

#U584d BLACK & RED OMITTED "13¢ ENERGY CONSERVATION" ENTIRE, MAJOR ERROR BQ847

$ 374 $ 224.4

EFO 1486 ANGLED HORIZONTAL PERFORATION SHIFT BLOCK OF 4

$ 35.2 $ 21.12

805b, Imperforate Between Pairs in Block Error VF NH - Stuart Katz

$ 43.95 $ 26.37

US # 220 (1890) Used, Grade: XF - EFO: Red streaks at top & bottom

$ 118.8 $ 71.28

EFO 1838-39 (SET OF TWO FROM TOP ROW ) WITH PERF SHIFT TO ELIMINATE RED COLOR

$ 70.4 $ 42.24

Unites States Stamp-- #1555 shift of words/color---used---error

$ 0.88 $ 0.52

U.S.-Reverse(printed inside envelope) image of .02 red Geo. Washington

$ 8.8 $ 5.28

S5/36 US Stamps Scott Perf Shift Error UNH Nice EFO Coll

$ 3.38 $ 2.03

1111 8 Cent Simon Bolivar Underinked Wreath.

$ 7.87 $ 4.72

momen: US Stamps #236 Var. Printed on Both Sides Mint NH OG Rare PF Cert

$ 1315.6 $ 789.35

EFO 979 VERY HEAVY OVERINKING OF THIS PLATE BLOCK OF FOUR -- STRIKING!

$ 44 $ 26.4

#702 2c Greatest Mother Red Cross Error "4 Varieties" MNH OG F/VF #2

$ 12.32 $ 7.39

2149a "Buggy Whip" Plate #4 Strip of 8

$ 19.8 $ 11.88

1395a 8c Eisenhower miscut showing process bars DG

$ 8.58 $ 5.14

Scott Stamp # 1338 (6c) FLAG OVER WHITE HOUSE, Misperf Block of 4, MNH OG

$ 2.64 $ 1.58

#1435c 8¢ 1971 "APOLLO 15" OG NH TAGGING OMITTED MAJOR ERROR; PSE CV 0 BR9726

$ 117.04 $ 70.22

2609a 29 cent Flag Over White House Miscut and Imperforate Error Pair

$ 7.92 $ 4.75

1327a Thoreau TAGGING OMITTED ERROR MARGIN Block of 4 Stamps NH with APS Cert

$ 703.99 $ 422.39

#702 "CIRCLE-OF-CROSSES" - RED CROSS COLOR SHIFT STUDY

$ 30.75 $ 18.45

EFO 1557 VERY RARE STRONG OFFSET OF BLACK INK ON FRONT OF THIS TOP STAMP

$ 26.4 $ 15.83

1975 Francis Parkman #1297 Coil Stamp Overprint & Misperforation Error

$ 5.72 $ 3.43

#2482a "BOBCAT" .00 BLACK OMITTED MAJOR ERROR BQ5231

$ 138.6 $ 83.16

EFO 853 PERF SHIFT CUTS INTO THE PLATE NUMBER

$ 52.8 $ 31.67

Postage due J90 2 cents shifted down block of 15 MNH OG shining gum

$ 43.95 $ 26.37

RARE 304 Used Lincoln Double Cut Line Upper Right Position 91 EFO

$ 22 $ 13.2

#304 5 cent Lincoln Mint NH OG perf. shifted down

$ 22.25 $ 13.35