Sicily. Messana. The Mamertinoi. AE Quadruple, c. 288-278 BC. Obv. ΑΡΕΟΣ. Laureate head of Ares right; helmet behind. Rev. ΜΑΜΕΡΤΙΝΩΝ. Eagle standing left on thunderbolt. HGC 2 865; CNS I 3. AE. 15.82 g. 27.00 mm. Exceptional turquoise green patina with traces of earthen encrustation. About EF.