Sicily, Akragas, Countermarked Hemilitron, ca. 400 BC
AE (g 17,37; mm 27; h 12)
Uncertain type, c/m: head of young river-god r.; behind, mussell shell; before, caduceus; all within incuse circle, Rv. uncertain type. CNS 90.
Dark patina, amazing preservation for the type: c/m good extremely fine.