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US #1610var .00 Candle Holder, Imperf Margins Single, MAJOR ERROR, used

$ 352 $ 211.2

US, 1945 Christmas Seal Blocks, Color Shift Error, Orange Wreath Bow, WX125, MNH

$ 32.19 $ 19.31

EFO 1039 VERY HEAVY OVERINKING BLOCK OF FOUR WITH NORMAL BLOCK OF FOUR

$ 39.6 $ 23.76

Scott 409 Variety Mint Block of 4 (Washington) Type I Printer's Waste EFO E0

$ 96.8 $ 58.08

#1699a "CLARA MAASS" IMPERF PAIR MAJOR ERROR BQ1173

$ 330 $ 198

C76a & C76 Var, US Flag On Shoulder Omitted ERRORS in Complete Sheet of 32 MNH

$ 2639.99 $ 1583.99

CHRISTMAS - TWO MORONI MADONNA + CHILD - 1987 Scott 2367 with FREAK ERROR (232b)

$ 15.66 $ 9.39

US #1823 .15c EMILY BISSELL STUNNING "CHANGE OF DESIGN" MISPERF MNH NICE

$ 14.07 $ 8.44

SCOTT 1519a 1973 10 CENT CROSSED FLAGS ISSUE IMPERF PAIR MNH OG VF CAT !

$ 13.2 $ 7.91

1958 U.S. Scott #1058 Lincoln Stamp Mint Never Hinged MISPERFS Error

$ 3.51 $ 2.1

1529 Skylab Dramatic Color Shift ERROR Zip Code Block of 4 Stamps NH (1529 A1)

$ 659.99 $ 395.99

US, 1943 Christmas Seal, Bleeding TB Lorraine Cross, Red TB Cross Doubling, MNH

$ 34.31 $ 20.58

3477 - 34c Huge Misperf Diecut Shift Error/EFO Strip 3 "Statue of Liberty" MNH

$ 14.07 $ 8.44

EFO JQ3 BEAUTIFUL FULL REVERSE OFFSET ON ALL FOUR STAMPS USED BLOCK OF FOUR

$ 88 $ 52.8

AOP USA #1472 1972 8c Santa Claus printing error MNH

$ 2.64 $ 1.58

#1549 pair Retarded Children 10 cent Misperforated Error mint NH OG

$ 8.75 $ 5.25

2913 - Misperf Error / EFO Flag Over Porch "FOP" Pair Mint NH (Stk2)

$ 5.97 $ 3.58

1529 Skylab color shift-white bar above partial "US", vf MNH*

$ 5.27 $ 3.16

2018 Statue/Freedom #5296; EFO; Sheet/10 w/Shifted Diecut; ~25% Captured PL#s

$ 30.79 $ 18.47

US, 1926 Jester Christmas Seal Block, 26-2.A Green's Flaw & Skipped Perfs, MNH

$ 12.83 $ 7.7

US #3265a (33¢) "H" imperf pair, VF NH MNH

$ 30.75 $ 18.45

*295 "SINKING TRAINS" PL # STRIP OF 5, NICE!

$ 438.24 $ 262.94

CatalinaStamps: Pan American Exposition 2 Cent REPRODUCTION, Lot B109

$ 0.44 $ 0.26

S5/33 US Stamps Scott Perf Shift Error UNH Nice EFO Coll

$ 3.38 $ 2.03

S5/37 US Stamps Scott Perf Shift Error UNH Nice EFO Coll

$ 3.38 $ 2.03

#1356 VAR. "MARQUETTE" PLATE # BLOCK OF 4, MAJOR COLOR SHIFT ERROR BQ4042

$ 154 $ 92.4

#C85 VAR. "OLYMPIC SKIER" MAJOR COLOR SHIFT ERROR BR2177

$ 58.52 $ 35.11

#TD-118 PAIR OCTAGON EXPERIMENTAL STAMP XF OG NH CV 0.00 BQ7675

$ 169.4 $ 101.64

ERROR JACQUES MARQUETTE JESUIT EXPLORER 1968 FDC MISSING STAMP SEE DESCRIPTION

$ 2.15 $ 1.29

US Misperforated US Booklet BK117A

$ 57.2 $ 34.32

US # 331 (1908) 1c -Grade: XF/S - EFO: w/guide line arrow Only 1/400

$ 396 $ 237.6

drbobstamps US Scott #1842a Mint NH Error Pair Stamps Cat

$ 26.75 $ 16.05

US # 1041 (1954) 8c MNH, Plate Block of 4; EFO: Color Shift {Red in 'Liberty'}

$ 154.44 $ 92.66

Fly Speck Philately, Error, Freak, Oddity on a 1902 UX18 McKinley Postal Card

$ 3.87 $ 2.32

2913 - Misperf Error / EFO Flag Over Porch "FOP" Pair Mint NH (Stk1)

$ 5.97 $ 3.58

1949 20c Bighorn sheep misperf pair with plate #9 MNH

$ 2.42 $ 1.45

S5/41 US Stamps Scott 3c Perf Shift Error UNH Nice EFO Coll

$ 6.02 $ 3.61

2975w, Civil War Imperforate Sheet - MAJOR ERROR - Mint NH - Stuart Katz

$ 660 $ 396

#U584b 13¢ ENERGY CONSERVATION RED, YELLOW & TAGGING OMITTED ERROR ENTIRE HV4529

$ 439.12 $ 263.47

1991 District of Columbia Bicentennial Error Stamp w/ Correct Stamp in Folder

$ 50.16 $ 30.09

1394d, 8¢ IKE With Blue & Red Colors Missing In Pair Error Mint NH - Stuart Katz

$ 39.6 $ 23.76

804 - 1c Misperf Margin Gutter Snipe Error / EFO Presidential Series Mint NH

$ 12.31 $ 7.38

EFO 299 "SINKING SHIP" VARIETY --BLACK VIGNETTE COVERS PART OF LOWER FRAME

$ 88 $ 52.8

EFO 329 MINT NEVER HINGED --1907 JAMESTOWN

$ 48.4 $ 29.04

1971 U.S. Scott #1402 Eisenhower Stamp Pair Mint Never Hinged MISPERFS Error

$ 3.51 $ 2.1

#509 Avg OG NH Top Margin Plate Block of 9 MisPerforated Showpiece (JH 6/5/21)GP

$ 660 $ 396

EFO 518 USED VF WITH FULL OFFSET ON REVERSE SIDE -- PRINTED BEFORE GUM APPLIED

$ 22 $ 13.2

J89a Postage Due Denomination Omitted ERROR Mint Block of 4 Stamps NH (By 490)

$ 510.39 $ 306.23

US,915b,FRANCE,RED OVER BLACK ERROR,1943,MINT NH OG,VF

$ 43.51 $ 26.1

EFO-BLIND PERFS-US Scott #1907-18c-Surrey-1890s-Dk Brown-Used-Any Interest? Buy!

$ 0.87 $ 0.52

1992 Sc CVP31 ECA GARD 10c non-denominated error strip MNH

$ 253.88 $ 152.32

1796 MNH 15c DOWNHILL SKIING , COLOR SHIFT, plus normal stamp.

$ 3.51 $ 2.1

#295 High Shifted Train Variety Fine OG NH (JH 6/5/21)GP

$ 660 $ 396

#3205 Sylvester & Tweety Special Die Cut & Imperf Stamp MNH VF 32 CENT SINGLE

$ 3.08 $ 1.84

EFO Prexie 3c 807 Lightly over inked blocks 39 Stamps 1938 ERROR

$ 25.52 $ 15.31

UX39d 2c on 1c Franklin postal card inverted surcharge

$ 4.39 $ 2.63

1435a, Amazing Black Color Shift Error Plate Block WoW - Stuart Katz

$ 523.6 $ 314.16

TD108 RARE Carmine Test / Dummy Tagged Strip of 3 Unused "Read" Cat 50

$ 1143.99 $ 686.39

#1895 20c Flag Over Supreme Court-BLUE COURT ERROR, Mint **ANY 4=FREE SHIPPING**

$ 198 $ 118.8

UY14m variety 2c on 1c Franklin postal card surcharge on reverse

$ 3.51 $ 2.1

1196, Mint NH Stunning Misperforated ERROR Pair - WoW - Stuart Katz

$ 74.8 $ 44.88

1577 MNH 10c Banking Issue. Penny's copper color SHIFT.

$ 1.31 $ 0.78

Scott 1249- Slight Perforation Shift error- Register & Vote MNH Plate Block MNH

$ 5.27 $ 3.16

US, Christmas Seal, 1931 Carriage & Horses, Skipped Perfs, 31-1B (Green's), MNH

$ 4.03 $ 2.42

drbobstamps US Scott #899 Mint NH Horizontal Pair, Imperf In Between Cat .50

$ 21.12 $ 12.67

2115c MNH 22c Flag over Capital Dome, MISCUT strip of 5 with PN T1

$ 3.51 $ 2.1

Whoops - #C85 11¢ "OLYMPIC SKIER" MNH MAJOR SHIFT ERROR

$ 22.88 $ 13.72

2115 22c Flag misperf coil pair MNH

$ 3.96 $ 2.37

R96c probate double & diag. perfs, f-vf cv 45.-

$ 7.91 $ 4.74

#1338 6c FLAG FULL MINT SHEET OF 100 WITH RIGHT MARGIN COMPLETELY IMPERF

$ 112.64 $ 67.58

US, 1942 Christmas Seal Block, Thin Letters, Printer Mark D, 42-3, WX109, MNH

$ 7.91 $ 4.74

23k GOLD REPLICA PROOF 1918 U.S. INVERTED JENNY STAMP W/COA COLLECTORS ADVISORY

$ 8.8 $ 5.28

EFO - 1954 1¢ Washington Plate#B4 Lined ink smear - Scott #1031 MNH

$ 3.47 $ 2.08

US Sc 4378, 4511, 4649, 4927 used. 2009-2014 Priority Mail issues, 4 diff, VF

$ 18.92 $ 11.35

EFO 1949a COMPLETE BOOKLET WITH "SUPERWIDE" MISPERF TO LEFT ON BOTH --PLATE # 15

$ 79.2 $ 47.52

U318 Size #7 Entire - LOW FRANK ERROR FREAK

$ 10.56 $ 6.33

Scott# 807a - 3c Violet - MISCUT- PARTIAL PLATE # - MNH booklet pane of 6

$ 11 $ 6.6

1701, Misperforated ERROR Strip of Twenty Stamps 13¢ Christmas - Stuart Katz

$ 132 $ 79.2

#294 / #299 1901 EFOs Pan-American EXPO Issues with Center Shift Errors Used

$ 50.6 $ 30.36

1975 Merry Christmas Card 10c Stamp by Louis Prang #1580 MAJOR MISPRINTING ERROR

$ 8.36 $ 5.01

2281a imperf line strip/4 EFO, rare, XF MNH, cv 90.+*

$ 110 $ 66

S5/31 US Stamps Scott 4c Plate No. Shown On Coil Stamp Error UNH Nice EFO Coll

$ 3.38 $ 2.03

S5/32 US Stamps Scott 8c Plate No. Shown On Coil Stamp Error UNH Nice EFO Coll

$ 3.38 $ 2.03

S5/43 US Stamps Scott Perf Shift Error UNH Nice EFO Coll

$ 4.26 $ 2.56

1618C 1978 Americana EFO MISPERF ERROR 1 coil Strip of 6 VF NH

$ 18.48 $ 11.08

513 Var Franklin MASSIVE PERF SHIFT ERROR Mint Block of 6 Stamps (By 249 EFO)

$ 263.99 $ 158.39

#1856c 14c 1985 Mint Never Hinged Horizontal Strip of 4 Imperf Errors

$ 19.8 $ 11.88

EFO 900 AMAZING "INK STARVATION" BLOCK OF FOUR -- TWO ALMOST BLANK! -- SHOWPIECE

$ 396 $ 237.6

Scott Stamp # 2378 25c LOVE, Pink Rose Block of 4 MNH EFO white border on roses

$ 1.75 $ 1.05

1856c - 14c Imperf Between Error / EFO Pair Mint NH

$ 5.53 $ 3.32

MNH GUTTER SNIPE Block of 4, Scott #1285a 8c Tagged Einstein/ Pane MIscut

$ 42.24 $ 25.34

MNH MISPERFORATED Vertically Block of 4, Scott #1041, 8c Statue of Liberty

$ 33.44 $ 20.06

USA EFO, ERROR Stamps: # 2452, Circus Wagon Misperf & miscut Strip of 6 ! MNH

$ 19.75 $ 11.85

IMPERFORATE ERROR Coil Pair Sc#1897Ac, 2c Locomotive-Prec. Mats Applied Taggant

$ 32.56 $ 19.53

EFO / Error Stamps - Revenues, Coil's , Singles 27 different, Some Odd Ones

$ 103.84 $ 62.3

Scott Stamp # 1510, (10c) Miss-cut Pane of 8 JEFFERSON MEMORIAL

$ 2.42 $ 1.45

US Sc 3261-3262 used. 1998 .20 Priority .75 Express Mail Space Shuttle F-VF

$ 14.93 $ 8.96

#498, #518, #551 1917-1925 EFO Group of 6 with Reverse Errors Used

$ 59.4 $ 35.64

US Scott #498 Pair, Misperfed EFO Error! Left Stamp Creased, Mint-Hinged (SK)

$ 13.19 $ 7.91

US Scott #2136 Variety Pair, Misperfed & Miscut EFO Error! *SCARCE* Mint-NH (SK)

$ 14.07 $ 8.44