Probably from a relief, as flat break at back suggests.
Break at right through middle of left eye; chin missing; nose rubbed off; curls chipped in a few places.
Head of a youth in half profile to right; ... 22 February 1939
Grossman, J. B ... The American School of Classical Studies at Athens ... The Athenian Agora: Results of Excavations Conducted by the American School of Classical Studies at Athens 35 978-0-87661-235-4 ... 2013