Postcard of Memorial Continental Hall, DAR, by American News Company, c. 1910-1915, Smithsonian Archives - History Div, Color postcard of Memorial Continental Hall. The street in front of the building is empty, and a tree is on the left side of the postcard image. The postcard is unused, but the message side has a printed note: "Memorial Continental Hall. This beautiful white marble building was erected by the National Society of the Daughters of the American Revolution. Completed in 1910 at a cost of about $350,000.".