Watch List notes:

Sicily, Messana, The Mamertinoi, c. 220-200 BC. Æ Pentonkion (27mm, 9.98g, 6h). Laureate head of Ares l.; helmet behind. R/ Warrior, horse behind, standing l., spear in l., r. holding head of horse. CNS I, 25 Ds 1; HGC 2, 849. Green patina, smoothed, Good Fine
Estimate: 40 GBP