Watch List notes:

Sicily. Messana. The Mamertinoi. AE Pentonkion, 220-200 BC. Obv. Laureate head of Zeus right. Rev. Helmeted warrior advancing right, holding spear and shield. HGC 2 853; CNS I 109. AE. 13.10 g. 29.00 mm. R. Green patina. VF/About VF.