NGC (photo-certificate) Ch XF 5/5, 2/5 Lucania, Metapontum AR Stater. 470-440BC.
LUCANIA. Metapontum. Ca. 470-440 BC. AR stater (20mm, 7.35 gm, 6h). Six-grained barley ear; dotted border on raised rim / Incuse six-grained barley ear; striated border on incuse rim. Noe Class XI.
About 85% silver content