Sardinia, Uselis (?), M Atius Balbus (late first century B.C.), AE Semiuncial Semis, bare male head left, [M] ATIVS BALBVS PR, rev. SARD PATER, helmeted head of Sardus Pater right, with spear at shoulder (RIC 625; Grant FITA 50-152), almost very fine