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320A, Mint 2¢ Superb NH Type II Lake Color Imperforate Pair - Stuart Katz

$295.00

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528B, Mint NH PL# Strip of Three CV $150.00 - Stuart Katz

$59.95

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536, Mint NH Block One Cent Washington FRESH! CV $180.00 - Stuart Katz

$75.00

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4873, $19.99 USS Arizona Uncut Press Sheet of 30 Mint Condition - Stuart Katz

Réf.: SK-19002

$750.00

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583, Mint VF LH 2¢ Plate Block of Four Stamps Cat $70.00 - Stuart Katz

$35.00

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2629a, Set of Six Columbus Souvenir Sheets With Original Envelope - Stuart Katz

Réf.: SK-18978

$19.99

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4333, 42¢ Charles & Ray Eames - Designers - Sheet of 16 Stamps - Stuart Katz

Réf.: SK-18980

$14.00

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5332-5, Sparkling Holidays "Coke" Santa's Pane of 20 - Stamps Stuart Katz

Réf.: SK-5335

$18.49

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RW83 VERY RARE Pane of 20 $25 Duck Stamps Mint VF NH - Stuart Katz

$1,695.00

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820, Mint LH 15¢ Amazing Under Inking ERROR Block of Four - Stuart Katz

$117.50

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535, Mint Superb NH 3¢ Imperforate Block of Eight - A GEM - Stuart Katz

Réf.: SK-18680

$250.00

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591, Mint 10¢ VF LH/NH Block of Four Stamps Cat $295.00 - Stuart Katz

$175.00

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O122, Mint NH 50¢ Official Block Sideographers Initials EXT RARE! - Stuart Katz

$895.00

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834, $5 Mint NH Presidential Black Color Shifted Way Up ERROR - Stuart Katz

$117.50

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804, MNH 1¢ Washington Misperfed ERROR Sheet of 100 Stamps - Stuart Katz

$305.50

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1716, 13¢ Perf Shift Error - Most of Red Color Missing! * Stuart Katz

$37.60

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2015, HUGE Misperfed Error Libraries Stamp WoW * Stuart Katz

$42.30

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1772, Misperfed Error Pair With Denomination Missing From Bottom * Stuart Katz

$37.60

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1926, 18¢ Large Black Color Shift Error Block! ! * Stuart Katz

$37.60

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2019-22, 20¢ Four Misperfed Error Stamps NICE! * Stuart Katz

$61.10

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1804, Diagonal Misperforation Error Strip Of Three Stamps WoW * Stuart Katz

$47.00

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3910m, Mint VF NH Orange Yellow Color Omitted Error With PSE Cert - Stuart Katz

Réf.: SK-17982

$164.50

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2346 Var, New York In Red Almost Completely Missing Bock of Four - Stuart Katz

$329.00

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1867, 39¢ Misperfred Right Error Block Of Six Stamps? * Stuart Katz

$141.00

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2114, 22¢ Amazing Misperfed Error Block With Gutter * Stuart Katz

$47.00

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1473, 8¢ Terrific Color Shift Error Zip Block Of Four * Stuart Katz

$173.90

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C81, 21¢ Amazing Diagonal Misperforated Error Airmail Block Of 4 - Stuart Katz

$117.50

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701, Mint NH Double Paper Error VERY RARE! - Stuart Katz

$94.00

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1735, Large Misperforation ERROR PL# Block of 4 Stamps Mint NH - Stuart Katz

$47.00

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2066, Misperforated ERROR Alaska Plate Block PL# Captured on Stamp Stuart Katz

$141.00

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532, Mint XF LH Center Line Block With "Wilson" Perforations - Stuart Katz

$400.00

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2015, Large Misperforation With PL# Captured Plate Block ERROR - Stuart Katz

$117.50

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

$93.06

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1557, 10¢ HUGE Color Shift Error Space Stamp PB W/Normal Mint NH * Stuart Katz

$258.50

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2536, 29¢ Scarce Large Color Shift Error Block With A Normal * Stuart Katz

$211.50

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1461 Var 8¢ Olympics 99% of Black Color Omitted ERROR With Normal - Stuart Katz

$117.50

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1510, 10¢ Drastically Misperfed Error Plate Block Mint NH * Stuart Katz

$42.30

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1549, 10¢ Scarce Perforation Shift Error Plate Block Mint NH - Stuart Katz

$70.50

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1690a, VF Mint NH 13¢ WIth Blue Color Omitted ERROR With Normal -- Stuart Katz

$108.10

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2114, 22¢ Amazing Misperfed Error Plate Block * Stuart Katz

$61.10

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1737b, Mint 15¢ Imperforate Vertical Pair ERROR Cat $450.00 - Stuart Katz

$329.00

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1700, 13¢ Large Misperforation Error Margin Stamp - Mint NH - Stuart Katz

$23.50

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617, VF Mint NH Scarce Top Sheet of 50 Stamps Brookman $400.00 - Stuart Katz

$275.00

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390, Used XF/Superb 1¢ Coil Pair Hard to Find! - Stuart Katz

$75.00

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2880, Red "G" Postcard Rate of 20¢ Complete Sheet of 100 Stamps - Stuart Katz

Réf.: SK-11685

$74.95

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3535, PORKY PIG Special Die Cut Sheet Imperforate Single Stamp at Right

Réf.: 3535

$14.00

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RG125, Mint VF XXLH $10 Silver Tax Stamp Cat $225.00 -- Stuart Katz

$175.00

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K1-2, Used VF Shanghai Overprint Stamps Cat $140.00 - Stuart Katz

$95.00

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