Watch List notes:

Sicily, Second Democracy (466-405), Onkia, Syracuse, c. 466-405 BC; AE (g 1,24; mm 10; h 12); ΣYPA, head of nymph Arethusa r., wearing necklace and hair loosely gathered at the top of her head; at l., dolphin, Rv. Octopus; one pellet. Linear border. CNS II, n. 10; SNG Copenhagen -; SNG ANS 384.
Rare, green patina, extremely fine.