Arago: 50-cent Century of Progress Issue

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50-cent Century of Progress Issue

50c Graf Zeppelin plate proof

Scott Catalogue USA: C18
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. 21171

Denomination: 50c

Subject: "Graf Zeppelin", Federeal Building at Chicago Exposition and Hangar at Friedrichshafen, Century of Progress Air Post Issue

Color: green

Date:
September 28, 1933
Medium:
paper; ink (green) / engraving
Museum ID:
0.242263.15856
Place:
UNITED STATES OF AMERICA

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