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Stamps › US › Smithsonian National Postal Museum — Bureau Plate Proofs › 3c 50th Anniversary of Oklahoma Statehood plate proof
3c 50th Anniversary of Oklahoma Statehood plate proof

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3c 50th Anniversary of Oklahoma Statehood plate proof

Smithsonian National Postal Museum — Bureau Plate Proofs · US · English · 1957

Catalog record

LineUS
Set / seriesSmithsonian National Postal Museum — Bureau Plate Proofs
LanguageEnglish
Year1957
DateMay 20, 1957
Kindstamp
Year1957
PlaceUnited States of America
ScottUSA 1092
Mediumpaper; ink (dark blue) / engraving
Regionus
Npm Recordnpm_0.242263.16245
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.
Image SourceSmithsonian Open Access
Image LicenseCC0
Oracle ID36596842

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Source credit: Smithsonian National Postal Museum