Architectural Detail over the main (center) door to the Rotunda of Bancroft Hall, United States Naval Academy, Annapolis, Maryland, USA.

Source: The Historic American Buildings Survey/Historic American Engineering Record: Survey of U. S. Naval Academy, Bancroft Hall, ANNAPOLIS, Anne Arundel County, MD:
DETAIL OF ORNAMENTATION ABOVE DOOR, NORTHWEST FRONT, MEMORIAL HALL [SIC] (actually the Rotunda)

From the American Memory collection of the United States Library of Congress.