By: H. R. Harmer Inc
lot # 1593 - United States "Back of the Book" Stamps and Postal History
MR8mP-a, 1910 1c Dark blue, Large die proof of George Washington only, sunken die proof of message card indicia in center of glazed white cardstock (85 x 99mm), die sinkage 76 x 88.5mm, manuscript "July 7 - 1910" at bottom and blue BEP "432210" handstamp on reverse, Extremely Fine, one of two known (Scott UY5mP; USPCC MR8mP-a, $1,000)
H.R. Harmer
H.R. Harmer was founded in 1918 by Henry Revell Harmer of London. In 1940, the firm opened its New York auction gallery and quickly ascended to the top ranks of philatelic auction houses... Read More
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