Postcards of landmarks in Washington, D.C., have long been marketed to tourists. This example from the mid-20th century shows an iconic view of the Capitol. The dome was a standard representation of the capital city as far back as the 1860s.
History, Art & Archives, U.S. House of Representatives, “U.S. Capitol Postcard,” https://history.house.gov/Collection/Listing/2005/2005-050-000/
(October 21, 2019)
Office of the HistorianOffice of Art and Archives
Attic, Thomas Jefferson BuildingWashington, D.C. 20515(202) 226-1300