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3-cent McCormick

3c Cyrus Hall McCormick plate proof

Scott Catalogue USA: 891
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.22626

Denomination: 3c

Subject: Cyrus Hall McCormick

Color: bright red violet

Date:
August 21, 1940
Medium:
paper; ink (bright red violet) / engraving
Museum ID:
0.242263.15955
Place:
UNITED STATES OF AMERICA

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