Watch List notes:

Sicily, Messana. The Mamertinoi, c. 275-264 BC. Æ Double Unit (23mm, 8.18g). Laureate head of Ares r.; spear-head to l. R/ Eagle standing l. on thunderbolt, wings spread. CNS I, 2; SNG ANS 401; HGC 2, 870. Green patina, about VF