Unknown Tibetan, ‘Portrait of Jnanatapa Attended by Lamas and Mahasiddhas’, ca. 1350, The Metropolitan Museum of Art

Eastern Tibet, Kham, Riwoche monastery
http://www.metmuseum.org/art/collection/search/37801

Image rights: The Metropolitan Museum of Art (Purchase, Friends of Asian Art Gifts, 1987), licensed under CC0 1.0 Universal

About Unknown Tibetan