Sicily. Messana. I Mamertini. AE 18 mm. 288-278 B.C. Obv. ΔΙΟΣ. Laureate head of Zeus left. Rev. MAMEPTINΩN. Eagle standing left on thunderbolt, head right; R (retrograde) to left. HGC 2 874; SNG ANS 412-3. 4.39 g. 18.00 mm. VF/Good VF.