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C23, Mint NH Amazing Misperfed Error 6¢ Airmail Block WoW - Stuart Katz

$ 242 $ 145.19

US Scott 1509 1973 10c Crossed Flags MNH plate block of 20, EFO color shift

$ 7.91 $ 4.74

1939 U.S. Scott #805 Martha Washington Stamp Imperf Pair Mint Never Hinged Error

$ 3.51 $ 2.1

Error #1703 Christmas 1976 Mint sheet Block Tagging omitted

$ 154 $ 92.4

EFO collection, 10 errors, blind perf color shift ink spots misperf

$ 7.91 $ 4.74

IMPERFORATE ERROR Coil Pair Scott #5158a, 2017 (49c) Waving Flag

$ 46.64 $ 27.98

US FREAKS, ODDITIES, IMPERF., MISPERFECT, LOT OF UNUSUAL USED STAMPS

$ 8.75 $ 5.25

US, 1939 Angel Christmas Seal Block, FREAK, Blue Blotch under Eyebrow, MNH

$ 33.95 $ 20.37

948 - Color Shift Error / EFO Souvenir Sheet Mint NH

$ 5.97 $ 3.58

1856, Freak Perforations & Fold Over Error Sheet of 100 - Stuart Katz

$ 836 $ 501.6

US Miscut US Booklet Scott #BK221

$ 26.4 $ 15.83

AMERIPEX 1986, **UNEXPLODED BOOKLET WITH ERROR, BLACK OMITTED BOOKLET PLUS MORE!

$ 52.78 $ 31.66

#1618Cf "FLAG" PAIR GRAY OMITTED COLOR ERROR BN5759

$ 132 $ 79.2

2479 19c fawn EFO black color shift* vf MNH

$ 10.55 $ 6.33

FLAME EFO PAIR UNIQUE 219v 1890 US 1 CENT Blue Ben Franklin Cancel XF STAMPS HNG

$ 3168 $ 1900.8

Stamp US Sheet Modern Poster Collectors Labels WWII Hitler Greece Ships MNH

$ 9.63 $ 5.78

USA 1954 $.03 #1057 MNH Extra Perfs Left Side - See Images & Description

$ 8.79 $ 5.27

IMPERFORATE ERROR Coil Pair Scott #5343a, 2019 (55c) Forever Flag

$ 48.4 $ 29.04

Scott# 804b - ERROR MISCUT- PARTIAL PLATE # - booklet pane of 6 - MNH

$ 16.28 $ 9.76

Scott 507 Variety Mint B8 (Washington) H OG Preprinting Paper Folds EFO E0

$ 308 $ 184.8

1722, Large Misperfed 13¢ Error Sheet of 40 Bicentennial Stamps - Stuart Katz

$ 836 $ 501.6

United Sates Scott 1304Cd Imperf., pair - George Washington

$ 132 $ 79.2

2129a - 8.5c Huge Misperf Error / EFO Pair Down the Middle "Tow Truck 1920's MNH

$ 9.67 $ 5.8

U.S. SCOTT #1338A MNH PARTIAL JOINT LINE COIL PAIR. EFO DETAILS IN DESCRIPTION S

$ 2.63 $ 1.57

1542a - Error Dull Black Litho Omitted VF-XF OG NH SCV. 0 (JH 4/3/2020)

$ 232.32 $ 139.39

1286 10¢ Jackson misperf MNH

$ 2.63 $ 1.57

S5/38 US Stamps Scott Perf Shift Error Pair UNH Nice EFO Coll

$ 7.78 $ 4.67

US, 1931 Christmas Seals, Gum Side Red & Black Offset Printing, 2 Blocks, MNH

$ 7.91 $ 4.74

EFO 145 LARGE VERTICAL PRE-PRINTING PAPERFOLD CUTS THROUGH BEN'S HEAD!

$ 57.2 $ 34.32

2255 Misperfed Strip of 6

$ 7.04 $ 4.22

1511, 10¢ Drastic Misperforation Shift Error Block Mint NH * Stuart Katz

$ 52.8 $ 31.67

1943 Overrun Countries Sc 917a Yugoslavia reverse printing EFO colors over black

$ 20.68 $ 12.4

2281 MNH 25c coil pair, with two very poorly printed lines between the stamps

$ 2.19 $ 1.31

FAKE STRIP OF5 SC# 5159 FOREVER COILS NOT FOR POSTAGE USE FREE SHIPPING EFO

$ 12.27 $ 7.36

Scott 843 - 4 Cents Madison - MNH - Joint Line Pair - BEP Splice

$ 44 $ 26.4

#525 MISPERFED Error extra VERTICAL ROW Perfs. 1918 1c OFFSET issue

$ 38.72 $ 23.23

drbobstamps US Scott #1610A Mint NH Error Stamp Cat 5

$ 110.44 $ 66.26

Scott# 634d - ERROR MISCUT- PARTIAL PLATE # - booklet pane of 6 - MNH

$ 21.56 $ 12.93

Scott #2482 Bobcat Black Denomination Color Shift Error 1990 Stamp

$ 57.2 $ 34.32

S5/44 US Stamps Scott Missing Perf Error UNH Nice EFO Coll

$ 7.78 $ 4.67

2518 MNH F(29c) PN strip of 5 printing ERROR. PN 2222 is MISPRINTED.

$ 4.39 $ 2.63

#1044A VAR. "11¢ LIBERTY" TAGGED FRONT & BACK (ONLY 12 KNOWN) VF OG NH BS2220

$ 61.6 $ 36.96

1978 US Stamp Pair of 15-Star Fort McHenry Flag 15c #1597 MNH/OG MISPRINT ERROR

$ 7.26 $ 4.35

1148 8c Masaryk misperf MNH

$ 1.71 $ 1.02

EFO 1197 MISPERF CREATES A CHANGE OF DESIGN "LOUISIANA" AT TOP! BLOCK OF FOUR

$ 88 $ 52.8

1555 Huge Multiple Color Shift Error / EFO "D. W. Griffith" Mint NH

$ 13.01 $ 7.8

#2261 EFO 16.7c Popcorn Wagon Strip of 3 Miscut Top to Bottom Error MNH OG VF

$ 13.2 $ 7.91

1615Cd MNH 8.4c coil pair precancelation ERROR. "Includes New Mount"

$ 3.52 $ 2.11

APC / SSK / CVP / ATM - USA #CVP91 strip of 3 with 1 missing FOREVER

$ 10.47 $ 6.28

C11 5c beacon air mail high plane - read

$ 1.75 $ 1.05

1596 MNH 13c Eagle and Shield printing flaw.

$ 1.75 $ 1.05

4806 Inking Error / EFO "Inverted Jenny" "Flat Tire / Broken Wheel" sheet

$ 35.2 $ 21.12

499 Underinked!

$ 6.6 $ 3.95

#1895d 20c Flag EFO Major Error Imperforated Pair MNH OG F/VF

$ 7.04 $ 4.22

Canal Zone Error Inverted "Zone" Cat. 5.00 Used Cond Scott 71b ..SKU#15668

$ 123.2 $ 73.92

US,1959 Children Feeding Birds Christmas Seal Printer Flaw, Perf 13, WX197, MNH

$ 4.03 $ 2.42

512 Var Franklin MASSIVE PERF SHIFT ERROR Mint Block of 6 Stamps (By 248 EFO)

$ 272.79 $ 163.67

1884 US Scott U-243, COLOR MISSING, 2 Cent Washington Envelope

$ 4.35 $ 2.61

1511, 10¢ Drastic Misperforation Shift Error Block Mint NH ** Stuart Katz

$ 87.12 $ 52.27

2 MISPERFORATED Examples! 1618a 13c Americana Precanceled Pairs/Dull Gum

$ 2.64 $ 1.58

US SC. R28c .05 CENT PLAYING CARD STAMP USED CAT. .00 #2 PG33

$ 8.8 $ 5.28

Apollo 11 Moon Landing Color Frame Shift Doubling Ghost Tagging Errors MINT #C76

$ 21.99 $ 13.19

1994 USA Stamp Error Sheet Legends of the Wild West Cowboy Bill Pickett

$ 87.12 $ 52.27

US,917A,YUGOSLAVIA,RED,BLUE OVER BLACK ERROR,1943,MINT NH OG,VF

$ 34.71 $ 20.82

1520 - 10c Misperf Error / EFO Strip of 4 "Jefferson Memorial" Mint NH

$ 8.79 $ 5.27

2130-a 10.1 cent Oil Wagon Set of 5 Different Constant Plate Strip Varieties

$ 37.79 $ 22.67

APC/CVP/ATM - 49¢ Overprint ERRORS on AMAZIN SPIDER-MAN Stamps

$ 0.87 $ 0.52

2104a, Mint VF NH RARE Imperforate Between Error - Stuart Katz

$ 211.2 $ 126.71

#C85 VAR. 11¢ "OLYMPIC SKIER" YELLOW & GREEN COLOR MAJOR SHIFT ERROR BR2179

$ 46.2 $ 27.72

US ERROR Stamps: #2523b Flag Rushmore. Imperf PS7 #3 PNC MNH 0.+

$ 236.72 $ 142.03

US Stamps SC# 1949b or BK142b Rocky Mts Bighorn 20c booklet of 20 MNH 1982 ERROR

$ 101.2 $ 60.72

AOP #1305 1965-78 15c Oliver Wendell misperf error MNH

$ 2.64 $ 1.58

CANADA #O252 EFO. FULL OG MNH, STRIP OF 3 RIGHT STAMP DOUBLE PERFIN. SCARCE!

$ 19.31 $ 11.58

Scott 2609 - 29¢ Flag Over White House, 1992 Pair - Perf Freak + Normal Pair

$ 7.92 $ 4.75

1608, Orange Color Shifted Well Down Error With Normal 50¢ MNH - Stuart Katz

$ 21.95 $ 13.17

Scott# 632a - ERROR MISCUT- PARTIAL PLATE # - booklet pane of 6 - Mint Hinged

$ 21.56 $ 12.93

#1338 Large Mispered Margin Block of Four 6 cent Flag mint NH OG

$ 31.63 $ 18.98

#1338 6c FLAG block of 20 WITH RIGHT MARGIN COMPLETELY IMPERF Mint NH OG

$ 26.35 $ 15.81

#1470 Tom Sawyer 8 Cent COLOR SHIFT Plate block of 4 MINT NH OG

$ 31.63 $ 18.98

US 10c Banking & Commerce Mint NH Pair With Drastically Misperforated Error

$ 8.75 $ 5.25

US 10c Pioneer Space Mint NH Stamp With Drastically Misplaced Red Color Error

$ 8.75 $ 5.25

US 6c Veteran Mint NH Pair With Drastically Misplaced Perforations Error

$ 8.75 $ 5.25

2225b - 1c Misperf Error / EFO Coil Pair "Omnibus" Mint NH

$ 8.79 $ 5.27

Stamped Envelope USA Error Inverted Monogram

$ 8.8 $ 5.28

US Misperforated vertical booklet pair Scott #1742a Windmills

$ 26.4 $ 15.83

C98 40 Cent Philip Mazzei Great Color Shift

$ 26.35 $ 15.81

EFO 1548 SCARCE "HOLE IN THE MOON" VARIETY CAUSED BY AIR BUBBLE IN ORANGE INK

$ 26.4 $ 15.83

1894c Dark Blue Omitted Missing Color Error

$ 83.6 $ 50.16

sc#702 us/usa 1931 stamp EFO strong vignette shift throu shoulder nh mnh xf gem

$ 17.59 $ 10.55

U S Stamps #1294 one dollar O’Neill MISCUT Block Of 4. Mint Never Hinged.

$ 87.12 $ 52.27

1035 - 3c Vertical Misperf Error / EFO "Statue of Liberty" Mint NH

$ 4.39 $ 2.63

Scott 806 Variety Mint Block of 9 (Adams) NH OG Foldover/Crazy Perfs EFO E0

$ 176 $ 105.6

US, 1935 Christmas Seal Slogan Block, Red Bird on Mailbox, Printer E, WX76, MH

$ 14.59 $ 8.75

1402a “Eisenhower” 8c Imperforate Error Pair. Unused NH OG

$ 13.15 $ 7.89

Error #2400 Christmas 1988 plate block with overall black ink smear

$ 3.52 $ 2.11

US ERROR Stamps: #3264a H rate Hat. XFS Imperf PS7 #1111 PNC MNH Rare! Unlisted!

$ 2200 $ 1320

#1737a VAR. 15¢ ROSE COMPLETE BOOKLET With blank cover front and back

$ 175.12 $ 105.07

#RW53 VAR. BLACK COLOR SHIFTED UPWARD ERROR BS3757

$ 154 $ 92.4

1845, Misperforated ERROR 2¢ Plate Block of 12 Stamps - Stuart Katz

$ 39.6 $ 23.76

#1035 Liberty 3 cent misperforation block of 4 Mint NH OG

$ 61.55 $ 36.93