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Stamps › US › Smithsonian National Postal Museum — Bureau Plate Proofs › 5c Beacon on Rocky Mountains frame plate proof
5c Beacon on Rocky Mountains frame plate proof

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5c Beacon on Rocky Mountains frame plate proof

Smithsonian National Postal Museum — Bureau Plate Proofs · US · English · 1928

Catalog record

LineUS
Set / seriesSmithsonian National Postal Museum — Bureau Plate Proofs
LanguageEnglish
Year1928
Date1928
Kindstamp
Year1928
PlaceUnited States of America
ScottUSA C11
Mediumpaper; ink (carmine) / engraving
Regionus
Npm Recordnpm_0.242263.15827
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 ID36597282

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Source credit: Smithsonian National Postal Museum