Tapping into the potential of U.S. postal cards

By Jay Bigalke – April 26, 2021 Postal cards have a storied history among philatelists. The first United States postal card was issued in 1873, and the newest one is featured in the May 10 issue of Linn’s. Also in the May 10 issue is Ronald Blanks’ article on airmail postal cards and their rates….

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