The dynamic pose of the god (original height 100 or 110 cm.) suggests that he was engaged in a victorious struggle with a lesser opponent; for a possible reconstruction of the composition see the warriors on the bronze reliefs from Siris in London: LIMC
, vol. 1, p. 617, no. 478, pl. 498. His opponent could have been Pan, whom Eros defeated in a duel (see N. Marquardt, Pan in der hellenistischen und kaiserzeitlichen Plastik
, 1995, pp. 124ff.).
An old handwritten label on the base reads "3630".