Arago: Project Mercury Issue

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Project Mercury Issue

4c Project Mercury plate proof

Scott Catalogue USA: 1193
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.27608

Denomination: 4c

Subject: "Friendship 7" Capsule and Globe, Project Mercury Issue

Color: dark blue & yellow

Date:
October 23, 1961
Medium:
paper; ink (dark blue & yellow) / engraving
Museum ID:
0.258777.129
Place:
UNITED STATES OF AMERICA

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