Ink testing plate proof

Image hosted by ids.si.edu (linked, not hosted by ohhORACLE). Artwork © its respective owner. Shown for identification only. Rights holder? Request removal.

Have a better or back photo?

StampSource · si-npm

Ink testing plate proof

Smithsonian National Postal Museum — Bureau Plate Proofs · US · English · 1953

Catalog record

LineUS
Set / seriesSmithsonian National Postal Museum — Bureau Plate Proofs
LanguageEnglish
Year1953
DateMay 29, 1953
Kindstamp
Year1953
PlaceUnited States of America
ScottUSA
Mediumpaper; ink () / engraving
Regionus
Npm Recordnpm_0.309126.1314
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 ID36593559

API

GET /v1/cards/36593559

Other prints of Ink testing plate proof in the catalog

Ink testing plate proof
Stamp
Ink testing plate proofSmithsonian National Postal Museum — Bureau Plate ProofsUS · English · 1961
Ink testing experimental plate proof
Stamp
Ink testing experimental plate proofSmithsonian National Postal Museum — Bureau Plate ProofsUS · English · 1954

Source credit: Smithsonian National Postal Museum