May 2017

This Day in History… May 1, 1901

Pan-American Exposition & Stamps 

U.S. #294-99 – Complete set of six Pan-American stamps.

The Pan-American Exposition opened to the public on May 1, 1901, in Buffalo, New York. That same day the set of six Pan-American stamps went on sale. They were the first commemoratives and bi-color stamps of the 20th century. They also produced several highly sought-after inverts.

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Posted in May 2017, This Day in History | 7 Comments