In Roman mythology, Janus (or Ianus) was the god of gates, doors, doorways, and of beginnings and endings. Janus is believed to be one of the few major deities in Roman mythology that does not have a Greek origin or counterpart.
RR69287. Bronze as, Crawford 210/2, Sydenham 393, BMCRR Rome 664, SRCV I 723, F, weight 18.492 g, maximum diameter 29.8 mm, die axis 225o, Rome mint, 149 B.C.; obverse laureate head of bearded Janus, I (mark of value) above; reverse galley prow right, C•IVNI above, I (mark of value) right, ROMA below; from the Andrew McCabe Collection; $95.00 (€82.65)