Watch List notes:

Sicily, Syracuse, Hemilitron, Dionysios I (405-667), c. 405 a.C.; AE (g 3,37; mm 16; h 6); Head of Arethusa l., wearing ribbon, sphendone, earrings and necklace; at r. two olive leaves, Rv. ΣY-PA, dolphin r.; below shell. CNS II, n. 24; SNG Copenhagen 697; SNG ANS 415-425.
Light green patina. Good extremely fine