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1-cent Mann

1c Horace Mann plate proof

Scott Catalogue USA: 869
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.22522

Denomination: 1c

Subject: Horace Mann

Color: bright blue green

Date:
January 23, 1940
Medium:
paper; ink (bright blue green) / engraving
Museum ID:
0.242263.15933
Place:
UNITED STATES OF AMERICA

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