US Post Office and Customs House--Douglas Main - Credit: Wikimedia Commons
The U.S. Post Office and Customs House-Douglas Main, also known as Douglas Post Office and Customs House or Douglas Main Post Office, is a Beaux-Arts building in Douglas, Arizona that was designed in 1912 and built in 1915. The building provided spaces for a post office, a custom house and Federal offices. Read more on Wikipedia
Source: en.wikipedia.org