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. 3.72 g. 18.00 mm. Olive green patina. About VF.