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US 63E13c 1c Franklin Pelure Paper SCV 0

$ 219.95 $ 131.97

US 43P4 10c Washington Plate Proof on Card (-001)

$ 39.56 $ 23.73

US 63P4//72P4 1861 Series Proofs on Card w/ Envelope VF-XF SCV 5+

$ 791.95 $ 475.17

US O47P4-O56P4 Post Office Department Official Card Proofs complete VF-XF (-004)

$ 105.55 $ 63.33

US 247P4 1c Franklin Block of 4 Proof on Card SCV 0

$ 378.35 $ 227.01

US 70P4 24c Washington Proof on Card VF SCV 0 (002)

$ 351.95 $ 211.17

US O15P4-O24P4 1c-90c Interior Department Card Proofs Complete VF H SCV 0

$ 87.95 $ 52.77

US O35XS 1c Navy Department Specimen F-VF Soft Paper SCV 0 (001)

$ 79.15 $ 47.49

US 288-E5 5c Trans-Mississippi Bi-Color Essay India Paper on Embossed Card

$ 439.95 $ 263.97

US R17P4 3c Playing Cards Revenue Proof on Card (002)

$ 79.15 $ 47.49

US R109P4 10c 2nd Series Revenue Margin Inscription Block of 10 Card Proof

$ 343.15 $ 205.89

BEP B25 Souvenir Card NAPEX '73 C3 Air Mail "Jenny" Curtiss JN-4 Blk/4 Mint

$ 6.11 $ 3.66

#183P3 GP Jumbo CV. (JH 9/12/2020)

$ 30.8 $ 18.48

#11-E14Ab (GREEN) DIE ESSAY ON INDIA PAPER CV 0.00 BQ5904

$ 154 $ 92.4

SCOTT #163P4 CARD PROOF YELLOW ORANGE HENRY CLAY BANK NOTE ISSUE STK #AP1

$ 10.25 $ 6.15

#65-E3d DIE ESSAY ON GREEN BOND, DUSKY BLUE XF-SUPERB BQ4868

$ 330 $ 198

US Christmas Seal sheets 17 from 1952 & 1965 and 1968, 1972, 1974 1976 Stamps

$ 22 $ 13.2

U.S. 219, 219D, 221-229P4 Card Proofs VF NGAI (20320)

$ 451.43 $ 270.85

BEP B6 Souvenir Card COMPEX '70 Chicago #C18 Block/4 Zeppelin Air Mail Mint

$ 5.23 $ 3.14

#65-E3c DIE ESSAY ON PROOF PAPER NO NUMERAL PRINTED THRU A MAT XF BP5422

$ 154 $ 92.4

#11-E14c DIE ESSAY ON BOND PAPER XF-SUPERB BQ8735

$ 308 $ 184.8

#11-E14Ac (RED BROWN) DIE ESSAY ON BOND CV 0.00 BQ5905

$ 308 $ 184.8

B161 APS 92 BEP Souvenir Card Die Essay 15c 1869 Landing of Columbus Sc 118 VC

$ 5.27 $ 3.16

#40P4 XF PLATE PROOF ON CARD BT1054

$ 55.44 $ 33.26

ABNCo. STEEL ENGRAVINGS "RUINS OF CASA GRANDE" DIE PROOF BP3687

$ 92.4 $ 55.44

#116P3 XF+ PLATE PROOF ON INDIA PAPER BLOCK OF 4 BT3684

$ 154 $ 92.4

#PR9P4-PR32P4 NEWSPAPER PLATE PROOFS ON CARD SET MINOR FOXING CV 8 BS4254

$ 263.12 $ 157.87

US Scott #166p4, SUPERB CARD PROOF! Small Inclusion, SCV .00 (SK)

$ 26.39 $ 15.83

SBNCo. PROOFS FOR BOND CERT STOCK L.C. CURRENCY "ENGRAVERS OF SECURITIES" BN6871

$ 154 $ 92.4

#RS56P3 REVENUE STAMP INDIA ON CARD SUPERB CV 0 BT3891

$ 418 $ 250.8

#44P4 PLATE PROOF ON CARD (NEW PLATE FRAME LINE COMPLETE) XF-SUPERB BP4837

$ 77 $ 46.2

#643E 2 CENTS "BATTLE OF BENNINGTON" B.E.P. PHOTO ESSAY (EX-JOHL) BT3142

$ 92.4 $ 55.44

CKStamps: US Stamps Collection Scott#LO1E Essay Unused H NG Tiny Thin

$ 0 $ 0

CKStamps: US Stamps Collection Scott#O47P3-O56P3 Unused H NG Proof

$ 1.11 $ 0.67

CKStamps: US Stamps Collection Essay Unused H NG

$ 0.05 $ 0.03

CKStamps: US Stamps Collection Scott#O25P4-O34P4 Unused H NG Proof

$ 0.05 $ 0.03

CKStamps: US Stamps Collection Scott#O15P4-O24P4 Unused HR NG Proof

$ 0.05 $ 0.03

CKStamps: US Stamps Collection Scott#O35P4-O45P4 Unused H NG Proof

$ 0.05 $ 0.03

CKStamps: US Stamps Collection Scott#O68P4 Unused H NG Proof

$ 0 $ 0

CKStamps: US Stamps Collection Scott#O69P4 Unused H NG Proof

$ 0 $ 0

CKStamps: US Stamps Collection Scott#O70P4 Unused H NG Proof

$ 0 $ 0

CKStamps: US Stamps Collection Scott#PR2P1 Unused LH NG Proof

$ 13.64 $ 8.18

CKStamps: US Stamps Collection Scott#LO1E Essay Unused H NG Thin

$ 44.88 $ 26.92

CKStamps: US Stamps Collection Revenue Unused H NG Card Proof

$ 0.09 $ 0.05

CKStamps: US Stamps Collection Scott#O15P3-O24P3 Unused H NG Proof

$ 2.86 $ 1.72

2 WORLD COLUMBIAN EXPOSITION GRAPHIC PICTURES ON PAPER

$ 4.4 $ 2.64

USA 1862-71 Die+Plate Proof Scott RIP4 Block of 4 CV5

$ 48.4 $ 29.04

USA 1890-3 Die+Plate Proof Scott 220P Block of 4 CV5

$ 132 $ 79.2

USA 1862-71 Die+Plate Proof Scott RI1P4 Block of 4 CV0

$ 28.16 $ 16.89

USA 1871-2 Die+Plate Proof Scott R140P4 Block of 4 CV

$ 23.55 $ 14.13

USA 1865 Die+Plate Proof Scott PR16TC Block of 4 CV

$ 19.8 $ 11.88

USA 1862-71 Die+Plate Proof Scott R32P4 Block of 4 CV0

$ 26.4 $ 15.83

USA 1862-71 Die+Plate Proof Scott R19P4 Block of 4 CV5

$ 22 $ 13.2

USA 1871-2 Die+Plate Proof Scott R142P4 Block of 4 CV5

$ 62.48 $ 37.48

U.S. Scott #210P4 Plate On Card Mint Never Hinged

$ 23.32 $ 13.99

drbobstamps US Scott #242 P4 Proof Cat 5

$ 123.2 $ 73.92

65P4 Washington Plate Proof on Card Stamp (Stock Bx 451)

$ 114.39 $ 68.63

Von corp EDUCARD Proof Card US 1894 First Bureau of Engraving & Printing Issue

$ 6.11 $ 3.66

U.S. Scott #211P4 Plate On Card Mint Never Hinged

$ 28.6 $ 17.16

drbobstamps US Scott #44P4 Proof Hinged Cat

$ 30.8 $ 18.48

Sc 185p4 5C Taylor Blue Proof On Card MNGAI Hinge Mark VF As Per Scan (AUG10)

$ 13.15 $ 7.89

drbobstamps US Scott #77P4 Proof Cat

$ 39.6 $ 23.76

JERSEY CITY, HOBOKEN & PATERSON STREET RAILWAY Co DIE ON CARDBOARD RARE BS7819

$ 264 $ 158.4

drbobstamps US Scott #114P3 Proof Cat

$ 33.44 $ 20.06

drbobstamps US Scott #243P3 Proof Cat 0

$ 286 $ 171.6

THORP ESSAY #38 & #39 20¢ CIRCULAR DESIGN ESSAYS (9) DIFFERENT BS7822

$ 138.6 $ 83.16

116P4 Series of 1869 Plate Proof on Card Stamp (Stock Bx 447)

$ 35.19 $ 21.11

#113P3 BLOCK OF 6 XF PLATE PROOF ON INDIA PAPER BR7658

$ 351.12 $ 210.67

#65-E2e SUPERB DIE ESSAY ON COLORED CARD SCARLET, IVORY BQ7718

$ 330 $ 198

211P4 Jackson Plate Proof on Card Block of 4 Stamps (Stock 211-Pr 1)

$ 105.59 $ 63.35

#WV12TC5j BLACK 20¢ BLK/6 DIE ON OPAQUE WOVE PAPER GREAT CENTRAL FAIR BS7815

$ 264 $ 158.4

77P4 Lincoln Plate Proof on Card Stamp (Stock Bx 450)

$ 29.03 $ 17.41

44P4 Washington Plate Proof on Card Stamp (Stock Bx 453)

$ 35.19 $ 21.11

129P4 Series of 1869 Plate Proof on Card Stamp (Stock Bx 446)

$ 96.79 $ 58.07

B25 NAPEX '73 BEP Souvenir Card 24c Bicolor Airmail Jenny Scott C3 blk/4 Mint

$ 2.59 $ 1.55

#J1-J7P3 & P4 COMPLETE SETS VF-XF PLATE PROOFS ON INDIA & CARDS CV 3 BS7742

$ 242 $ 145.19

SCOTT #112P4 CARD PROOF BUFF BENJAMIN FRANKLIN PORTRAIT STK #AP1

$ 19.93 $ 11.95

USA #2624P #2628P Very fine Never hinged Imperforate Proof Souvenir Sheets

$ 523.6 $ 314.16

drbobstamps US Scott #241 P4 Proof Cat 0

$ 133.76 $ 80.25

PR26TC3e / Clio / Newspaper Trial Color Proof (Dark Brown) / MNH

$ 21.51 $ 12.9

Scott # 264P5..Pair... Proof On Stamp Paper... Mint OG...Catalog Value 275.00

$ 74.8 $ 44.88

PR57-79P4, Complete Set of Newspaper Card Proofs - Stuart Katz

$ 131.12 $ 78.67

USA #9X1 Very Fine Sperati Forgery Die Proof Variety Black On Bluish

$ 615.12 $ 369.07

Sc 69p4 12c Washington Black Proof On Card MNGAI Hinge Mark VF/XF (JUL12)

$ 18.66 $ 11.19

drbobstamps US Scott #113P3 Proof Cat

$ 35.2 $ 21.12

114P4 Series of 1869 Plate Proof on Card Stamp (Stock Bx 444)

$ 52.79 $ 31.67

SCOTT #112P3 INDIA PAPER PROOF BUFF BENJAMIN FRANKLIN PORTRAIT STK #AP1

$ 19.75 $ 11.85

BEP B58 Souvenir Card ESPAMER '82 Show Puerto Rico #244 Isabella Columbus Cancel

$ 7.87 $ 4.72

US Sc#R92P4 Probate of WILL, Proof on card Mint NH XF (11--165)

$ 32.34 $ 19.4

208P4 Lincoln Plate Proof on Card Stamp (Stock Bx 455)

$ 43.99 $ 26.39

U.S: #R115P PROOF

$ 19.8 $ 11.88

U.S: #RB2P PROOF

$ 15.4 $ 9.24

J15P4 - J21P4 / Postage Due Card Proofs / Red-Brown / Complete Set

$ 82.94 $ 49.76

U.S: #R112P PROOF

$ 19.8 $ 11.88

#212P3 1c 1887 PLATE PROOF ON INDIA XF-SUPERB GEM BU8813

$ 220 $ 132

drbobstamps US Scott #162P4 Proof Block of 4 Cat 0

$ 74.8 $ 44.88

TURNER PROOF TYPE-Bb IMPRESSION ON CREAM COLORED WOVE PAPER (ORANGE) BQ7065

$ 286 $ 171.6

signed BEP B6 Souvenir Card COMPEX '70 Chicago #C18 Block/4 Zeppelin Mint

$ 26.35 $ 15.81

TURNER PROOF TYPE Bb IMPRESSION ON CREAM COLORED WOVE PAPER (BLACK) BQ7063

$ 330 $ 198

US SCOTT #5P1b, blue Proof On Colored Bond Paper SCV 0

$ 48.4 $ 29.04