Unknown Artist, ‘Tughra (Official Signature) of Sultan Süleiman the Magnificent (r. 1520–66)’, ca. 1555–1560, The Metropolitan Museum of Art

from Turkey, Istanbul; mat: 25 x 30 in. (63.5 x 76.2 cm)
http://www.metmuseum.org/art/collection/search/449534

Image rights: The Metropolitan Museum of Art (Rogers Fund, 1938), licensed under CC0 1.0 Universal

About Unknown Artist