Watch List notes:

Sicily. Messana. The Mamertinoi. AE Pentachalkon, c. 200-55 BC. Obv. Laureate head of Zeus right. Rev. Warrior striding right, attacking with spear and holding round shield; to right, Π. HGC 2 858; CNS I 54. AE. 4.77 g. 17.00 mm. Nice olive green patina. Good VF.