Watch List notes:

Sicily, Messana, The Mamertini Double Unit circa 288-218, Æ 21.00 mm., 8.16 g.
Laureate head of Ares r.; in r. field, and spear-head l. Rev. Eagle standing l., wings open, on thunderbolt. Calciati 2. Sarström pl. III, 16.

Rare. Good Very fine