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US 15c Space Viking Mission Mint NH Stamp w/ Drastic Color & Perforations Error

$ 8.75 $ 5.25

S5/26 US Stamps Scott 2c Plate No. Shown On Coil Stamp Error UNH EFO Coll

$ 3.38 $ 2.03

Iwo Jima Marines Raising the Flag Stamp Elevated Paper Error Freak EFO MINT #929

$ 3.51 $ 2.1

4c Abraham Lincoln Assassination Bullet Hole Error Freak Oddity Stamp MNH! #1282

$ 6.75 $ 4.05

EFO #1487 Var. Willa Cather 8¢ Color Shift MNH

$ 1.75 $ 1.05

nystamps US Error, Freaks, Oddities Stamp Mint OG NH Color Error L23x1166

$ 0 $ 0

1610A Inverted Candle Stick Xtra Fine Mint Never Hinged

$ 13640 $ 8184

BEAUTIFUL! US REVENUE R60c THICK PAPER HORIZONTAL STRIP OF 3 VF DIFFICULT! NICE!

$ 17.55 $ 10.53

#2115 22c Flag Over Capitol-Coil Pair, Erie Blue, Mint **ANY 4=FREE SHIPPING**

$ 88 $ 52.8

1500, Mint NH 6¢ HUGE Black COLOR SHIFT ERROR! With Normal Stamp - Stuart Katz

$ 57.2 $ 34.32

1973 Stamp "We Hold These Truths" Jefferson Memorial 10c #1510 PERFORATION ERROR

$ 5.5 $ 3.3

EFO #1349 Var. HOPE 6¢ Yellow Stars Color Shift MNH

$ 2.29 $ 1.37

S5/27 US Stamps Scott 2c Plate No. Shown On Stamp Error UNH Nice EFO Coll

$ 3.38 $ 2.03

S5/30 US Stamps Scott 5c Plate No. Shown On Coil Stamp Error UNH Nice EFO Coll

$ 3.38 $ 2.03

US 13c Bicentennial Mint NH Stamp With Drastically Misplaced Map Error

$ 8.75 $ 5.25

US 15c Alaska National Park Mint NH Stamp Drastically Misplaced Printing Error

$ 8.75 $ 5.25

US EFO, ERROR Stamps: #2889 Black "G". Scarce perf shift! MNH

$ 0.87 $ 0.52

EFO #2280 Var. 25¢ Yosemite Misperfed Strip of 3 MNH

$ 2.2 $ 1.32

EFO #1305E Var. Oliver Wendell Holmes 15¢ Misperfed Pair Change of Design MNH

$ 2.29 $ 1.37

Scott 566 Variety Mint B15 (Liberty) NH/HR OG Preprinting Paper Fold EFO E00

$ 440 $ 264

James Mangan’s Nation of Celestial Space 100mERGS MNH mis-perf error Outer Space

$ 87.12 $ 52.27

EFO #1595 Var. 13¢ Liberty Bell Misperfed Pair MNH

$ 2.29 $ 1.37

USA, SCOTT # 2609, STRIP OF 5 PNC # 4 WITH BOTTOM PART OF NUMBER 4 MISSING ERROR

$ 8.8 $ 5.28

U.S. #1041a Mint NH - 8c Liberty w/Dbl Impression of Red

$ 395.12 $ 237.07

EFO #1625 Var. 13¢ Independence Hall Vertical Pair Horizontal Misperf MNH

$ 2.63 $ 1.57

US Stamp SC#2169b 2c Lyon Sheet of 100 First Row Tagging Omitted Rare

$ 131.12 $ 78.67

1614a MNH 7.7c Saxhorns, precancelation printing FLAW on strip of 4 .

$ 3.51 $ 2.1

1894c, VF NH 20¢ With Blue Color Omitted Error - Stuart Katz

$ 43.95 $ 26.37

US Stamp Pair 1977 Inkwell & Quill #1581 Mint No Gum MISPERFORATION ERROR

$ 5.72 $ 3.43

1402a Dwight D. Eisenhower imperf line pair Mint NH OG

$ 53.85 $ 32.31

EFO #1305E Var. Oliver Wendell Holmes 15¢ Strip of 3 Misperfed MNH

$ 2.93 $ 1.75

1844a, Mint VF NH UNIQUE Imperforate PL# Strip of 20 Error - Stuart Katz

$ 1755.6 $ 1053.35

U.S. Stamp Scott # 1501b Progress in Electronics Error Mint Never Hinged

$ 347.6 $ 208.56

805 1½¢ Prexie Martha Washington misperf MNH

$ 4.39 $ 2.63

SCOTT #2470-2474b MINT NH WHITE "25" CENTS MISSING ERROR SINGLE STAMPS SET SE3

$ 24.33 $ 14.59

Recalled Legends of the West Stamp Sheet - Bill Pickett Error

$ 68.86 $ 41.31

US #2280e 25¢ Yosemite "Black Trees", color variety, F-VF NH MNH

$ 57.2 $ 34.32

1290b Scarce Magenta Shade Unused MNH Single

$ 17.55 $ 10.53

1558 Miscut Gutter Snipe Error / EFO Block of 4 "Collective Bargaining" Mint NH

$ 4.83 $ 2.89

EFO #1338 Var. 6¢ Flag Over White House Strip of 3 Middle Stamp RED BUSH MNH

$ 4.88 $ 2.93

EFO #1284b Var. 6¢ Franklin D. Roosevelt Miscut Booklet Pane MNH

$ 5.27 $ 3.16

Scott Stamp # 1520, (10c) Line Pair JEFFERSON MEMORIAL MNH

$ 0.87 $ 0.52

S5/46 US Stamps Scott 8c Plate No. Shown On Coil Stamp Error UNH Nice EFO Coll

$ 3.38 $ 2.03

2839 color Error US stamp Sheet Norman Rockwell MINT NH

$ 43.99 $ 26.39

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

$ 7.91 $ 4.74

1402 8¢ Eisenhower coil misperf pair MNH

$ 2.63 $ 1.57

S5/49 US Stamps Scott irregular Missing Perf Error UNH Nice EFO Coll

$ 4.26 $ 2.56

US #4905b MNH Vintage Circus Posters IMPERF "no die cuts" Stamp Sheet

$ 21.12 $ 12.67

1551, 10¢ Scarce Perforation Shift Error PR Showing Gutter Mint NH * Stuart Katz

$ 66 $ 39.6

2004 #3829A 37c Snowy Egret Coil Stamp on Unposted Cover, Misperforation Error

$ 6.11 $ 3.66

US, 1947 Sledge & Oxen Christmas Seal Singles, Offset Printing Gum Side, MNH

$ 4.39 $ 2.63

EFO 1937+1938 BLACK ENGRAVED INK SHIFTED UP ON BOTH

$ 17.6 $ 10.56

1520 - 10c JEFFERSON MEMORIAL - IMPERFORATE PAIR ERROR - EFO - MINT NH

$ 21.95 $ 13.17

US #J86, EFO gutter snipe, mint, never hinged.

$ 6.59 $ 3.95

R27c 5c inl exch double perfs, f-vf

$ 0.87 $ 0.52

US,3485,EXTREME MIS-PERFED,CONVERTIBLE PANE,EFO COLLECTION,MINT NH OG,VF

$ 259.6 $ 155.76

Scott 4640b, imperf set Mint NH RARE

$ 87.12 $ 52.27

US Misperforated #2489a booklet pair 29 cent Wood Duck

$ 3.08 $ 1.84

1437, Huge Color Shift ERROR on 8¢ San Juan Puerto Rico Stamp - Stuart Katz

$ 52.75 $ 31.65

Scott 499 Variety Mint B10 (Washington) H OG Preprinting Paper Folds EFO E00

$ 770 $ 462

1305Ej ERROR IMPERF Coil pair NH 15c Oliver Wendell Holmes 1978

$ 35.15 $ 21.09

US,909b,ERROR DOUBLE BLACK IMPRESSION ON FLAG,POLAND,MNH

$ 83.6 $ 50.16

S4/61 US stamps Scott 1338g 8c Rare Perf Shift & Extra Ink Line Errors MNHOG EFO

$ 21.86 $ 13.12

4717- 4720 Waves --- 2012 MNH starts @face value

$ 15.84 $ 9.5

#1618b 13c Liberty Bell Imperforated Strip of 4 w/Joint Line Pair MNH OG CV

$ 35.2 $ 21.12

IMPERFORATE ERROR Coil Pair Scott # 2263a, 20c Cable Car/3rd Transportation Ser

$ 34.32 $ 20.59

EFO 510 MISPERFED FRANKLIN INTO MARGIN MOSTLY BLANK WITH THIN PORTION OF DESIGN

$ 46.2 $ 27.72

1844a, Mint VF NH RARE Imperforate Pair Error 1¢ Dorothy Dix - Stuart Katz

$ 176 $ 105.6

1474 MNH 8c B Franklin , white frame SHIFTS to the LEFT

$ 1.75 $ 1.05

807 3c Prexie misperf MNH

$ 2.1 $ 1.26

J100 .00 POSTAGE DUE MINT NH OG shining gum 1.00 shift down block of 4

$ 21.78 $ 13.06

#1953 -2002 50 STATE BIRDS & FLOWERS Full mint sheet of 50 Freaks GUTTER SNIPE

$ 26.35 $ 15.81

SCOTT #703 MINT NH 1931 YORKTOWN WASHINGTON FREAK VIGNETTE SHIFT STAMP

$ 33.13 $ 19.87

#1480-#1483 8c 1973 Boston Tea Pty EFO Major Color Shift Errors Block & Pair MNH

$ 129.8 $ 77.88

US Scott 3205 Tweety Slyvester 32 Cent MNH Error Sheet 10th Imperf Looney Tunes

$ 11.33 $ 6.8

2096a, VF NH Imperforate Between Error Horizontal Pair - Stuart Katz

$ 132 $ 79.2

#236var, Printed on Both Sides, XF Centering, OG

$ 699.6 $ 419.76

2276, MNH 22¢ Fireworks With Large Red Color Shift Great EFO - Stuart Katz

$ 39.6 $ 23.76

C90, Remarkable Misperfed 31¢ Error Sheet of 50 Airmail Stamps - Stuart Katz

$ 2200 $ 1320

EFO 1729 OVERSIZED MISCUT SHEET -- EXTRA HALF-STAMP AT TOP OF STRIP !!!

$ 26.4 $ 15.83

2096a, VF NH Imperforate Between Plate Block Error - 2-3 Exist - Stuart Katz

$ 396 $ 237.6

US 8c Eisenhower Mint NH Strip Error Line Pair with Plate # at Bottom + 2 Stamps

$ 83.6 $ 50.16

US 1732 1978 13c Captain Cook MNH Mint NH EFO perforation shift misperf

$ 6.15 $ 3.69

S5/42 US Stamps Scott 8c Perf Shift Error UNH Nice EFO Coll

$ 4.26 $ 2.56

Scott Stamp # 1338A,(6c), FLAG OVER WHITE HOUSE, Ink Smear error on Line Pair

$ 1.98 $ 1.18

1951 EFO, ERROR #1003 misperf block of 8 1776 Battle of Brooklyn Washington

$ 22 $ 13.2

US Scott #C76a mint never hinged pl# block of 4, Rose Red omitted, w/PSE cert

$ 700.43 $ 420.26

Scott 1488b Mint Imprint Single (Copernicus) NH OG EFO XF Gem PF Cert 0

$ 373.12 $ 223.87

4717- 4720 Waves ( NICELY MOUNTED ) 2012 MNH ( Ships with Tracking )

$ 28.16 $ 16.89

US, 1919 Red Cross Christmas Seal Block, Type 1, WX24b, Perf 12 1/2 x 12, MNH

$ 18.99 $ 11.39

Rogue Fitness Olympic Cast Iron Plates 10 Plates 240lb Weight Set 5 10 25 35 45

$ 465.38 $ 279.23

2125a - 5.5c Misperf Error / EFO Pair "Star Route Truck" Mint NH

$ 7.03 $ 4.21

#1460 6c 1972 Olympic Games Mr. Zip Red Ring Error Block of 9 MNH OG VF

$ 13.2 $ 7.91

Scott 332 Variety Mint B10 (Washington) H OG Preprinting Paper Fold EFO E0

$ 264 $ 158.4

#915b France PARTIAL REVERSE PRINTING (Dark Rose Over Black-Black Over Dk Blue)

$ 44 $ 26.4

U.S. Stamps, Scott # 2115 Error, MNH

$ 10.56 $ 6.33

US #1396, EFO official USPS 7-1-71 FDC, Rochester, NY.

$ 4.4 $ 2.64

1995 ATOMIC BOMBS END WWII NON-ISSUED RESCINDED US STAMP BLOCK + BONUS CARD MINT

$ 10.55 $ 6.33

2280b, Mint VF NH 25¢ Imperforfate and Miscut Pair Error - Stuart Katz

$ 39.6 $ 23.76

S5/40 US Stamps Scott 3c Perf Shift Error UNH Nice EFO Coll

$ 6.02 $ 3.61