5c Louisiana Purchase William McKinley Panama-Pacific small die proof

Object Details

Description
Small die proof produced by the Bureau of Engraving and Printing for display by the Post Office Department at the Panama-Pacific Exposition of 1915, in San Francisco, California.
Data Source
National Postal Museum
Date
1915
Medium
soft yellowish wove paper; ink (dark blue) / engraving
Dimensions
Height x Width (page): 11 1/2 x 9 1/2 in. (29.21 x 24.13 cm)
Type
Postage Stamps
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