Watch List notes:

Sicily, Messana. The Mamertinoi, 275-264 BC. Æ Quadruple Unit (28mm, 17.87g). Laureate head of Ares r.; helmet to l. R/ Eagle standing l. on thunderbolt, wings spread; Φ to l. CNS I, 4; SNG ANS 403; HGC 2, 865. VF