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Stamps › US › Smithsonian National Postal Museum — Bureau Plate Proofs › 3c 100th Anniversary of Wisconsin Statehood plate proof
3c 100th Anniversary of Wisconsin Statehood plate proof

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3c 100th Anniversary of Wisconsin Statehood plate proof

Smithsonian National Postal Museum — Bureau Plate Proofs · US · English · 1948

Catalog record

LineUS
Set / seriesSmithsonian National Postal Museum — Bureau Plate Proofs
LanguageEnglish
Year1948
DateApril 22, 1948
Kindstamp
PlaceUnited States of America
ScottUSA 957
Mediumpaper; ink (dark violet) / engraving
Regionus
Npm recordnpm_0.242263.16010
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 ID36596217

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Source credit: Smithsonian National Postal Museum