Watch List notes:

Sicily, Dionysios I (406-367), Hemilitron, Syracuse, After 410 BC; AE (g 3,43; mm 15; h 12); Head of nymph Arethusa l., wearing hair-band at r., two olive leaves, Rv. ΣYPA, dolphin swimming r. below, shell. CNS II, 24 SNG Copenhagen 697 ff. SNG ANS 415-425.
Very fine.