Watch List notes:

Sicily, Messana, The Mamertini Pentonkion circa 220-200, Æ 26.00 mm., 12.00 g.
Laureate head of young Ares l. Rev. Horseman, holding a lance, standing beside horse; in l. field, Π. Calciati 25. SNG ANS 424.

Light green tone and Very fine