Postal History

Territories series

Territorial Series

On October 18, 1937, the US Post Office issued the first stamp in a new series honoring the overseas territories of the United States.  These stamps chronicled decades of US territorial expansion.

Baby Zepp

The “Baby Zepp”

On October 2, 1933, the Century of Progress airmail stamp, affectionately known as “Baby Zepp” was issued.  It sold poorly at the time and 90% of the stamps were destroyed, leaving a relatively small number available today.