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Stamps › US › Smithsonian National Postal Museum — Bureau Plate Proofs › 6c 150th Anniversary of Illinois Statehood plate proof
6c 150th Anniversary of Illinois Statehood plate proof

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6c 150th Anniversary of Illinois Statehood plate proof

Smithsonian National Postal Museum — Bureau Plate Proofs · US · English · 1968

Catalog record

LineUS
Set / seriesSmithsonian National Postal Museum — Bureau Plate Proofs
LanguageEnglish
Year1968
DateFebruary 12, 1968
Kindstamp
PlaceUnited States of America
ScottUSA 1339
Mediumpaper; ink (multicolored) / engraving
Regionus
Npm recordnpm_2009.2019.432
DescriptionCertified plate proofs are the last printed proof of the plate before printing the stamps at the Bureau of Engraving and Printing. These plate proofs are each unique, with the approval signatures and date. For postal scholars these plates provide important production information in the plate margin inscriptions, including guidelines, plate numbers, and initials of the siderographer, or person who created the plate from a transfer roll.
Oracle ID36596061

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Source credit: Smithsonian National Postal Museum