Arago: 20-cent Planes & Map

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20-cent Planes & Map

20c Map of United States and Two Mail Planes plate proof

Scott Catalogue USA: C9
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. 18891

Denomination: 20c

Subject: Map of United States and Two Mail Planes

Color: yellow green

Medium:
paper; ink (yellow green) / engraving
Museum ID:
0.242263.3024
Place:
UNITED STATES OF AMERICA

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