The figure was adapted from a familiar Greek Hermes type of the later 4th century BC. The body may have been joined with the portrait head of a divinized emperor. The missing head was turned toward the upraised right hand which perhaps held a spear.
Romano, Irene B. Classical Sculpture; Catalogue of the Cypriot, Greek and Roman Stone Sculpture in the University of Pennsylvania Museum of Archaeology and Anthropology. Philadelphia: University of Pennsylvania Museum of Archaeology and Anthropology, 2006. See: p. 238, no. 116
White, Donald J., Ann B. Brownlee, Irene B. Romano, and Jean M. Turfa. Guide to the Etruscan and Roman Worlds at the University of Pennsylvania Museum of Archaeology and Anthropology. Philadelphia: University of Pennsylvania Museum of Archaeology and Anthropology, 2002. See: p. 52, no. 75