Arago: Botanical Congress Issue

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Botanical Congress Issue

6c International Botantical Congress plate proof

Scott Catalogue USA: 1376, 1377, 1378, 1379
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.30973

Denomination: 6c

Subject: Botantical Congress Issue

Color: multicolored

Date:
April 21, 1969
Medium:
paper; ink (multicolored) / engraving
Museum ID:
0.288735.90
Place:
UNITED STATES OF AMERICA

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