Arago: First Automated Post Office in the U.S. Issue

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First Automated Post Office in the U.S. Issue

4c First Automated Post Office plate proof

Scott Catalogue USA: 1164
Description:

Certified 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.

Plate No.26807

Denomination: 4c

Subject: Architect's Sketch of New Post Office, Providence, R.I., First Automated Post Office in the United States Issue

Color: dark blue & carmine

Date:
September 23, 1960
Medium:
paper; ink (dark blue & carmine) / engraving
Museum ID:
0.245468.113
Place:
UNITED STATES OF AMERICA

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