Dumbarton Oaks Museum
1703 32nd Street Northwest Washington District of Columbia 20007 US
Seal, John Tarchaneiotes, Period: Late Byzantine, 13 th. century. (second half). St. John the Baptist standing, holding a staff cross over his left shoulder. The museum is open to the public Tuesday through Sunday, 11:30 a.m.–5:30 p.m., except for federal holidays.