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US Scott #1338FG USED coil triple, as shown

$ 0.88 $ 0.52

US 1610c (1975) - MNH EFO: Brown Inverted (CIA Invert) Scarce/Rare

$ 528000 $ 316800

1991 District of Columbia Bicentennial Engraved Omitted Error Stamp in Folio SC

$ 70.35 $ 42.21

CE2 MNH 1936 16c AMSD Block of 4 Signed by Picture Engraver, Designer & Letter

$ 88 $ 52.8

1972 Peace Corps US 8c Stamp #1447 MNH/OG PRINTING ERROR

$ 6.11 $ 3.66

1980 Summer Olympics Decathlon Javelin Color Frame Shift Errors EFO Stamp #1790

$ 4.39 $ 2.63

C76 10 cent Moon Landing issue Color Shift.

$ 11.39 $ 6.83

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

$ 132 $ 79.2

USA APC/CVP/ATM - #CVP91b ERROR stamp used on USPS Form3817 (#297) rate change

$ 17.51 $ 10.5

EFO 1369 TOP PERF ROW SHIFTED UP TO CREATE A JUMBO TOP MARGIN STAMP

$ 17.6 $ 10.56

#1340 VAR MAJOR PERF SHIFT ERROR PLATE # BLK (2) W/ HEMISFAIR 68 (2) W/O BU4101

$ 154 $ 92.4

EFO 1075 HEAVY RED OVERINKING REJECTED BY PO INSPECTOR'S BLUE MARK --SCARCE

$ 79.2 $ 47.52

EFO 651 BLACK VIGNETTE COLOR SHIFTED TO LOWER-LEFT CORNER - PLATE BLK OF SIX

$ 57.2 $ 34.32

R1/60 US stamps Scott ? 20c Red Roof Line Ink Error Used O/P Nice Coll

$ 6.02 $ 3.61

EFO 1570 GUTTER SHIFTED 90% TO THE LEFT INTO STAMP. DRAMATIC AND RARE CHRISTMAS

$ 66 $ 39.6

1542 10 Cent Kentucky Settlement."Tall Trees" Color Shift

$ 8.75 $ 5.25

Paper Join Freak, US Scott #686, Mint NH

$ 2.63 $ 1.57

EFO 113 DIAGONAL PRE PRINTING PAPERFOLD THRU DESIGN EXPOSED AFTER CANCELLED

$ 57.2 $ 34.32

US,916A,916,MNH VF, GREECE,SCARCE DARK BLUE OVER LIGHT BLUE,1943

$ 13.59 $ 8.15

US 2142 22c WINTER OLYMPIC FULL SHEET OF 50 AT FACE MNH with Stamp #19 error

$ 9.68 $ 5.8

4133a (41c) American Flag Die-cut Omitted Error Pair CV 1,250.00 # 2

$ 439.95 $ 263.97

US, 1919 Santa Christmas Seal Block, Thick Paper, Scott WX24b, MNH, No Gum

$ 5.79 $ 3.47

3281b Mint VF NH 33¢ Blue & Yellow Colors Omitted Error With Normal Stuart Katz

$ 259.6 $ 155.76

US Scott 220 EFO "Cap On Right 2"

$ 4400 $ 2640

1972 Christmas Santa Claus 8c US Stamp #1472 MNH/OG MISPRINTING ERROR

$ 6.38 $ 3.82

LOT OF 6 FEDERAL DUCK STAMPS ERRORS FREAKS & ODDITIES Stamps (RW EFO 1)

$ 879.99 $ 527.99

1299 Misperf Error / EFO Strip of 3 "Thomas Jefferson" Mint NH

$ 6.59 $ 3.95

1949a, Misperforated Error Booklet Pane of 10 - Mint NH - Stuart Katz

$ 30.69 $ 18.41

3472a - .50 Capitol Horiz. Pair - Die Cutting Omitted - RARE

$ 440 $ 264

US - 1966 - 6 Cents Franklin D. Roosevelt Issue Miscut Jumbo Stamp # 1284 Used

$ 8.79 $ 5.27

2955a Red Engraving Missing VF-XF OG NH with PFC Cert. SCV. 5 (JH 4/3/2020)

$ 464.64 $ 278.78

3281e 33c Flag over City Small Date Die Cut Omitted Error Pair

$ 197.95 $ 118.77

1305E - 15c Misperf Error / EFO Pair "Oliver Wendell Holmes" Mint NH (STK16)

$ 4.83 $ 2.89

C76 pair first man on the moon ink smear Variety at plate # & right side letter

$ 5.23 $ 3.14

1556, Mint VF NH Reverse Printing Under Gum Error With Normal - Stuart Katz

$ 30.8 $ 18.48

1284, Mint NH 6¢ Scarce Misperfed Error Block of Four Stamps - Stuart Katz

$ 30.8 $ 18.48

#2062b BLOCK OF 4 OG NH BLACK OMITTED MAJOR ERROR "STREET CARS" BQ5222

$ 418 $ 250.8

US Scott #16T44b Revenue BLK/6, Imperf Between Verticals Prs (2) SCV 0+! (SK)

$ 87.12 $ 52.27

#2523b 29c Flag Over Rushmore EFO Misperforated Pair MNH OG VF "Incs New Mount"

$ 17.6 $ 10.56

MISPERFORATED 1618a Joint Line, Precancel Gap Strip of 7, Dull Gum &Mat Variety!

$ 17.38 $ 10.42

1614 & 1615 COIL US MINT STAMPS

$ 0.87 $ 0.52

1452, Mint 6¢ With A HUGE Color Shift Error - WoW - Stuart Katz

$ 35.15 $ 21.09

UX1 FIRST UNITED NATIONS POST CARD WITH INVERTED SURCHARGE At The Top. Scarce

$ 132 $ 79.2

US # 4488a (2010) MNH EFO: Vert. pair, Horiz, unslit between - Rare SCARCE!

$ 392040 $ 235224

2511a, Mint NH 25¢ Large Black Color Shift Error Block - Stuart Katz

$ 110 $ 66

SC #3835a "37¢ DR. SEUSS" 2004 DIE CUTTING OMITTED BLK/4, MAJOR ERROR garyposner

$ 2094.4 $ 1256.64

US 319 @ (1903) MNH {George Washington} EFO: ERROR: Fold over/Crazy Perf

$ 792 $ 475.2

US Scott 1402 Coil Line Pair, major perf error, strip of 3, MNH

$ 8.8 $ 5.28

895 Double Paper!

$ 35.2 $ 21.12

248 Cent Major Error, Way Off Center Scott 1445, Christmas, MNH Nice SKU# 19143.

$ 21.95 $ 13.17

#505 Double Error N.H. SCV 00 (GP2 8/16/19)

$ 880 $ 528

2561a. District of Columbia. NH Black Engraved Color "29¢" Omitted Error. Pair.

$ 74.8 $ 44.88

#2178 Sheet, Dramatic Perf Shift, Never Hinged (GD 6/16)

$ 748 $ 448.8

#2279 VAR. "YOSEMITE" STRIP OF 4 WITH "BURNING FOREST" ERROR BT5734

$ 107.8 $ 64.67

2344 25 Cent New Hampshire "Old Man of the Mountain" Nice Color Shift.

$ 10.51 $ 6.3

US Sc# 1197 VAR *MINT OG NH* { "RARE MISPERF ERROR BLOCK OF 25 } 4c LOUISIANA

$ 308 $ 184.8

915b Error Partial Reverse Printing PSE Cert. VF-XF OG NH (JH 4/3/2020)

$ 87.12 $ 52.27

2967a, Mint VF NH 32¢ Imperforate Pair Error Mariyin Monroe - Stuart Katz

$ 220 $ 132

U.S. MINT MISPERFED ERROR COLLECTION

$ 13.19 $ 7.91

SCOTT #2870 SCARCE MINT NH RECALLED LEGENDS OF THE WEST BILL PICKETT ERROR SHEET

$ 56.01 $ 33.6

Scott Stamp # 3759, Ultra-Violet Ink Canc. (3c) SILVER COFFEEPOT, Strip of 3

$ 1.84 $ 1.1

1966 Indiana Sesquicentennial MNH Gutter Snipe Mr. ZIP single

$ 11.3 $ 6.78

#1800 Christmas 1979 Santa 15c ERROR large Green Color Shift into margin

$ 13.2 $ 7.91

US Stamp Heavy Blue Ink On Red Stripes Error Pair 1338a 6c MNHOG B6/62

$ 6.02 $ 3.61

R1/58 US stamps Scott ? 1c Per Shift Error UNH Nice Coll

$ 6.02 $ 3.61

1768a Christmas IMPERF ERROR Mint ZIP Block of 4 Stamps NH (1768 Z1)

$ 123.19 $ 73.91

US SCOTT #2104a PAIR MINT-XF-OG-NH W/ CROWE CERT (ERRORS) (4/23/21 GP)

$ 219.12 $ 131.47

US Mint Stamp Errors - Scott 2112a - D (22c) Eagle Imperf Pair - NH

$ 25.52 $ 15.31

2494a Peach & Pear V33453 Pane major perforation ERROR IMPERF top

$ 330 $ 198

US #1480-82var 8¢ Boston Tea Party, Plate block w/black vertical color shift

$ 202.4 $ 121.44

1895 EFO ERROR IMPERF 2 coil Strips of 4 VF NH Flag over Supreme Court

$ 17.6 $ 10.56

1701 Christmas 13c 1976 Copley painting ERROR color separation

$ 12.32 $ 7.39

#1618b 13c Liberty Bell Line Pair EFO Double Error Miscut & Imperforated MNH OG

$ 39.6 $ 23.76

#2279A Earth Imperf Error Stamp  #111 MNH OG VF

$ 109.95 $ 65.97

#2523C 29 Cent Rushmore Toledo Brown Coil Stamp - of 7 MNH OG VF

$ 109.95 $ 65.97

1504 - 8c Miscut Gutter Snipe Error / EFO "Rural America" Mint NH

$ 4.39 $ 2.63

C87 - Gutter Snipe Error / EFO "Statue of Liberty" Mint NH (Stk1)

$ 4.39 $ 2.63

1305 - 6c Misperf Change of Design Error / EFO " Franklin D. Roosevelt" Mint NH

$ 3.24 $ 1.94

ERRORS, FREAKS & ODDITIES 1286a Mint (ID # 95854)

$ 66 $ 39.6

US Scott #1874a mint never hinged transitional color missing pair, unique error

$ 43.95 $ 26.37

US SCOTT #1947a Imperf. Pair, SCV 0.00, A Wonderful item from garyposner!

$ 308 $ 184.8

1929 George Rogers Clark Vincennes Vignette Frame Shift Error Stamp MINT LH #651

$ 13.19 $ 7.91

Forever Art Of Magic Souviener Sheet Missing Die Cut Error . Only 60 Known

$ 748 $ 448.8

S4/64 US stamps Scott 1058 4c Rare Unusual Perf 1 & 1/2 Shift Error MNHOG EFO

$ 21.86 $ 13.12

499, Mint OG 2¢ Pair LOOKS LIKE AN IMPERFORATE PAIR! - Stuart Katz

$ 17.55 $ 10.53

1229b, 5¢ VF Mint NH Imperforate Error Strip of Three - Stuart Katz

$ 242 $ 145.19

1973 Stamp Pair "We Hold These Truths" Jefferson Memorial 10c #1520, PRINT ERROR

$ 6.86 $ 4.11

#U646a Entire, Blue Gray OMITTED CV 5.00

$ 33.44 $ 20.06

#1895D  Flag Imperforated Error Stamp   MNH OG VF

$ 395.95 $ 237.57

805b, Mint NH Hard to Find Imperforate Error Pair - Stuart Katz

$ 74.8 $ 44.88

#3265b Red Omitted SCV 0. (GP2)

$ 198 $ 118.8

Scott 1384, Block of 4, Precancel Shift Error (?), OG, NH, + Line Pair. As is...

$ 14.96 $ 8.97

Scott #O135a "OFFICIAL MAIL" IMPERF COIL PAIR, MAJOR ERROR, XF-NH, garyposner!

$ 748 $ 448.8

U.S. Stamps, Scott # 1895 Error, MNH

$ 7.04 $ 4.22

1994 Legends Of The West Recalled Error Stamp Sheet Bill Pickett Cowboy

$ 70.4 $ 42.24

Scott 1140 4c Franklin American Credo Misperfed

$ 6.16 $ 3.69

Scott #2011 MNH 20¢ Over Inked Error In Complete Sheet of 50 stamps

$ 34.32 $ 20.59

SCOTT #1297a MINT NH 1975 FRANCIS PARKER STRIP OF FOUR IMPERF ERROR - SEE PHOTOS

$ 7.87 $ 4.72

US #1894a Var, 20¢ Flag Over Supreme Court, Plate #2 Transition Block of 12 NH

$ 440 $ 264

IMPERFS ON COVER: 383 PAIR WITH 3mm SPACING

$ 17.6 $ 10.56