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Science Issue

5c Science plate proof

Scott Catalogue USA: 1237
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.27576

Denomination: 5c

Subject: "The Universe", Science Issue

Color: Prussian blue & black

Date:
September 18, 1963
Medium:
paper; ink (Prussian blue & black) / engraving
Museum ID:
0.259907.80
Place:
UNITED STATES OF AMERICA

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