To the left of the blue door is such a marker.
The markers used are:
Red: 18th-Century Vernacular and/or Georgian, 1715-1800
Bronze: Georgian Buildings of National Importance, 1730-1800
Blue: Federal, 1784-1840
Green: Greek Revival, 1820-1860
Gray: 19th/20th-Century Annapolis Vernacular, 1837-1921
Purple: Victorian, 1869-1901Yellow20th-Century Distinctive, 1901-1938