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#1291 PERF SHIFT - 2 WAY BM4229

$ 36.96 $ 22.17

US #1726 MNH DRAFTING THE ARTICLES OF CONFEDERATION Color Shifted Downward 1977

$ 4.4 $ 2.64

#702 Red Cross 2c Greatest Mother, Cross Shift Down Into Hand, Used!

$ 1.76 $ 1.05

US # 1618 *MINT OG NH* { MISPERF ERROR STRIPS & PAIR } EFO 13c LIBERTY BELL 1975

$ 21.12 $ 12.67

United States, 1935 Christmas Seal Icicles under Dress & Printer Mark, WX77, MNH

$ 12.83 $ 7.7

US, 1943 Christmas Seal Block, Printer E, JUMBO Margin, 43-1 (Green's), MNH

$ 11.07 $ 6.64

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

$ 1759.99 $ 1055.99

USA #CVP98 ERROR: Inverted imprint on Charlie Brown ATM stamp block of 3+1

$ 26.31 $ 15.78

#314 - #1041, 1906-1954 1/2c - Precancel Singles, Pairs, Blocks M&U

$ 41.8 $ 25.08

#1370b 6¢ "GRANDMA MOSES" (BLACK) ENGR. OMITTED MAJOR ERROR HV5724

$ 506 $ 303.59

15c John Jay Liberty Series Gray Blue Background Color Oddity EFO Stamps #1046

$ 2.63 $ 1.57

#1951f "LOVE" WITH TAGGING OMITTED ERROR PLATE BLOCK BU3041

$ 220 $ 132

#1951f PLATE BLOCK "LOVE" WITH TAGGING OMITTED ERROR BU3042

$ 220 $ 132

1339 - Scarce Bold Blue Reverse Offset Image Error / EFO "Illinois" Mint NH

$ 87.99 $ 52.79

1474a Error Black Litho Omitted VF-XF OG NH SCV. 5 (JH 4/3/2020)

$ 188.76 $ 113.25

#1757 NH MILD BLK INK SMEAR BL3370

$ 24.64 $ 14.78

4747a - MUSCLE CARS EFO - FULL SHEET - XF MNH - MAGENTA COLOR ERROR - PSE CERT

$ 259.6 $ 155.76

SC #1355f "WALT DISNEY" BLUE COLOR OMITTED, MAJOR ERROR, *RARE* XF-NH garyposner

$ 1122 $ 673.2

Scott# 1763a, 15¢ Mint NH HUGE Color Shift Error Owl Stamps W/Normal

$ 79.2 $ 47.52

UNITED STATES 1923 Scott# 612 Plate hair error MNH

$ 18.48 $ 11.08

2492a, Mint 32c Rose - MISPERFORATION ERROR BOOKLET PANE OF 20 - Stuart Katz

$ 131.12 $ 78.67

#1622 & #1625 13c 1975 MNH Group of Errors, Imperf Horiz Coil Pair, 9 Items

$ 81.4 $ 48.84

U.S. #1596a SCARCE NH Plate Block - 1975 13c Eagle, IMPERF

$ 352 $ 211.2

US, 1946 Christmas Seal Ladder Rung Error, Block of 4, Printer U, WX131, MNH

$ 9.31 $ 5.59

#1616 9c Right to Assemble EFO Misperforated Pair MNH OG VF

$ 4.4 $ 2.64

5052a - Diecut Omitted Imperf Error / EFO Pair "Flag" Mint NH

$ 123.19 $ 73.91

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

$ 66 $ 39.6

#2913a 32c Flag over Porch EFO Imperforated Pair MNH OG "Includes New Mount"

$ 17.6 $ 10.56

EFO 1632 DARK BLUE INK MISREGISTERED SHIFTED TO RIGHT. --TOP STAMP NO VALUE

$ 39.6 $ 23.76

1355a - 6c Walt Disney - Ochre Color Omitted - NH Plate Block of 4 - SCARCE

$ 2376 $ 1425.6

TD130A single test stamp

$ 30.8 $ 18.48

807a Booklet Pane With 85% Plate Number

$ 13.15 $ 7.89

R87c .50 inl exch, extra perf rows, f-vf cv 70.-

$ 14.07 $ 8.44

'Scott Stamp # 2913a, Imperf. Pair (32c), FLAG OVER PORCH, MNH

$ 11 $ 6.6

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

$ 1584 $ 950.4

US Stamp C119A 36c Igor Sikorsky Red, DK Blue & Black Engr Omitted Err XF NH COA

$ 880 $ 528

1519a 10c Flag imperf pair MNH

$ 10.34 $ 6.2

5052a, VF NH PNC Imperforate Strip of Five Stamps RARE! - Stuart Katz

$ 748 $ 448.8

EFO 798 MISPERFED PLATE BLK/4 PERFS CUT THRU "UNITED STATES POSTAGE" + PLATE #2

$ 19.36 $ 11.61

US ERROR Stamps: #2280b Flag Yosemite. Imperf PS7 #2 PNC MNH 0.+

$ 418 $ 250.8

US ERROR Stamps: #2281g Honeybee. Imperf PS7 High #2 PNC MNH 0.++

$ 351.12 $ 210.67

EFO 1036 FOLDOVER CREATES DRAMATIC "CRAZY PERFS" IN THIS BLOCK OF FOUR

$ 171.6 $ 102.96

US #89 10 cent Green Washington grill used fresh perf. shifted down

$ 87.95 $ 52.77

2280 coil strip of 4 MISPERF ERROR NH from 1988

$ 18.48 $ 11.08

1003 Brooklyn Misperf ERROR OG Mint EFO block of 4 from 1951

$ 51.92 $ 31.15

1945a, MNH 20c CACTUS - HUGE MISPERFORATION ERROR BLOCK - AMAZING! - Stuart Katz

$ 132 $ 79.2

United States, 1946 Christmas Seal Lamplighter, Single, Color Error, MNH

$ 14.59 $ 8.75

U.S. Stamps, Scott # 1618, Coil Mis-cut Error, MNH

$ 17.59 $ 10.55

Error 1529 variety US 10¢ Skylab color shift sheet of 50 Mint NH 1974.

$ 66 $ 39.6

#1511 VAR. "10¢ ZIPCODE" MAJOR COLOR SHIFT ERROR BLOCK OF 10 BP3259

$ 138.6 $ 83.16

#1579a "CHRISTMAS" BLOCK OF 4, IMPERF MAJOR ERROR CV 0.00 BQ1697

$ 286 $ 171.6

US, 1933 Men Pulling Sled, Omitted Green Error, 33-1.1 (Green's), WX68, MNH

$ 21.63 $ 12.98

1355d - 6c Disney - Black Color Omitted - NH Plate Block of 4 - APS Cert

$ 12320 $ 7392

US #117 12c Green 1869 Pictorial used fresh perf. shift

$ 68.64 $ 41.18

MISALIGNED PERF Error - Scott 1151 SEATO Plate Block MNH OG T3954

$ 6.15 $ 3.69

U.S. #1355a RARE Plate Block - 1968 6c Disney, Ocher Omitted

$ 440 $ 264

US #1925 Year of the Disabled 1981 18c plate block EFO color shift gold outline

$ 1.75 $ 1.05

#2255 7.6c Carreta EFO Misperforated Pair MNH OG "Include New Mount"

$ 8.8 $ 5.28

1732-33, Misperfed James Cook 13¢ Error Sheet of 50 - Stuart Katz

$ 523.6 $ 314.16

S7 25c savings, grey-lilac error, w/normal, VF/XF MNH

$ 61.59 $ 36.95

2280e, BLACK TREES COIL PAIR Variety - VF NH With Normal Pair - Stuart Katz

$ 74.8 $ 44.88

U. S. #1894 (US714) EFO Pr Flag over Supreme Court, MNH, VF

$ 11 $ 6.6

1187, MNH Full Color Reverse Offset Printed Under Gum Error! - Stuart Katz

$ 59.4 $ 35.64

#1699a "CLARA MAAS" 13¢ HORIZONTAL PAIR, IMPERF MAJOR ERROR BQ5254

$ 330 $ 198

1622b Error Scarce Imperf VF-XF OG NH SCV. 0 (JH 4/4/2020)

$ 175.12 $ 105.07

KAPPYSSTAMPS SF202 SCOTT 1895a STRIP OF 5 IMPERFATE MISCUT A MAJOR ERROR

$ 263.99 $ 158.39

Coin Stamp Old American Insurance Company 10 Cent Gold

$ 5.27 $ 3.16

US, 1925 Christmas Seal Block, FREAK, Skipped Perfs, WX35, Perf 12 1/2 4S, MNH

$ 5.79 $ 3.47

US, 1956 Christmas Seal Printer Mark & Flaws, Perf 13:12 1/2 x 12 1/2, MNH

$ 16.35 $ 9.81

USA 1954 SC# 1042 2 BLOCKS OF 8 & 10 WITH PRINTING ERRORS VARIETY

$ 351.99 $ 211.19

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

$ 39.6 $ 23.76

Scott #1445 Xmas Partridge Pl Blk 12; 8¢ IMPERFECTION Causing Yellow "Shadow"

$ 13.15 $ 7.89

#2114 VAR. SHEET WITH MAJOR PERF SHIFT ERROR...TOP ROW NO PRICE...MNH

$ 875.6 $ 525.36

#2136a 25c Bread Wagon EFO Imperforated Pair MNH OG VF "Includes New Mount"

$ 14.08 $ 8.44

#1610 VAR MAJOR COLOR SHIFT ERROR CANDLESTICK Mint

$ 44 $ 26.4

1305 - 6c Huge Misperf Error / EFO Pair "F.D.R." "Franklin D. Roosevelt" Mint NH

$ 6.85 $ 4.11

EFO US Scott #2072 MINT NEVER HINGED VERTICAL ANGLE MISPERF. CHANGE OF DESIGN.

$ 10.51 $ 6.3

TD130C Single Test Stamp

$ 44 $ 26.4

1436 Var, LARGE MISPERFORATION ERROR 8¢ EMILY DICKINSON

$ 35.15 $ 21.09

1433 - 8c Color Shift Error / EFO "John Sloan" Mint NH

$ 7.03 $ 4.21

2032-2035 Hot Air Ballooning Error MNH 20c Sheet Misperf color shifted left

$ 189.2 $ 113.52

US #1895a, 20¢ Flag Over Supreme Court Complete set of Plate #'s 1-14 except 2&4

$ 14.08 $ 8.44

702 Huge Color Shift Error / EFO "Red Cross" Pl# Single Mint LH

$ 4.12 $ 2.47

SC #2017a "20¢ TOURO SYNAGOGUE" IMPERF PAIR MAJOR ERROR, PFC, *RARE*! garyposner

$ 1047.2 $ 628.32

C90, 31¢ Airmail SPECTACULAR Two Way Misperforated Error Mint NH - Stuart Katz

$ 110 $ 66

RIV: US MNH 2225b EFO Plate #"31" SEE PICS Omnibus mint pnc5 error dull gum 2N

$ 121.44 $ 72.86

#2280AV IMPERF COIL STRIP (PHOSPHOR TAG) BM2498

$ 12.32 $ 7.39

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

$ 7.03 $ 4.21

EFO Booklet pane miscut with Plate #, ZIP slogan #1213a, 5 cent, MNH

$ 4.35 $ 2.61

US Scott 102 1875 Error in printing Double Impression

$ 2200 $ 1320

US - 1981 - (18 Cents) Purple Non-Denominated Eagle B Stamp 1820 Misperf Pair NH

$ 14.95 $ 8.97

SCOTT #2470-2474b MINT NH WHITE "25" CENTS MISSING ERROR SINGLE STAMPS SET SE1

$ 24.33 $ 14.59

U.S. EFO'S 2259a  MNH Strip of 3, Major Misperf, Nice!!

$ 3.3 $ 1.97

1394 8cent Eisenhower Sheet Of 100 Misperf. Mint Never Hinged

$ 527.12 $ 316.27

2075, RARE ERROR Sheet of 50 20¢ Stamps Credit Union Mint NH - Stuart Katz

$ 440 $ 264

#2281D IMPERF COIL PAIR BM2499

$ 33.88 $ 20.32

US, 1947 Christmas Seal Block, Fly-spec Flaw, Snow on Christmas Tree, WX135, MH

$ 10.19 $ 6.11

Benjamin Franklin 1861 30 cent Stamp Scott's Guide #71 Printers Block/ Plate!

$ 131.99 $ 79.19

1686o, Denomination Missing From Position A Error 13¢ Bicentennial - Stuart Katz

$ 171.6 $ 102.96

1394d, Mint NH 8¢ Red And Blue Gray Colors Missing Error - Stuart Katz

$ 39.6 $ 23.76