Probably Sahri-Bahlol Workshop, ‘Torso of a Bodhisattva’, ca. 5th century, The Metropolitan Museum of Art

Pakistan (ancient region of Gandhara, mondern Peshawar region)
http://www.metmuseum.org/art/collection/search/38648

Image rights: The Metropolitan Museum of Art (Purchase, Lila Acheson Wallace Gift, 1995), licensed under CC0 1.0 Universal