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Stamps › US › Smithsonian National Postal Museum — Bureau Plate Proofs › 15c Pan American Clipper and Scene near For Amador plate proof
15c Pan American Clipper and Scene near For Amador plate proof

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15c Pan American Clipper and Scene near For Amador plate proof

Smithsonian National Postal Museum — Bureau Plate Proofs · US · English · 1939

Catalog record

LineUS
Set / seriesSmithsonian National Postal Museum — Bureau Plate Proofs
LanguageEnglish
Year1939
DateApril 25, 1939
Kindstamp
Year1939
PlaceUnited States of America
ScottCanal Zone C17
Mediumpaper; ink (light brown) / engraving
Regionus
Npm Recordnpm_0.309126.303
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 ID36595941

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Source credit: Smithsonian National Postal Museum