Sicily. Messana. The Mamertinoi. AE Onkia, c. 220-200 BC. Obv. Laureate head of Apollo left; behind, torch(?). Rev. MAMERTINΩN. Omphalos. CNS I 28; HGC 2 884 var. (no symbol); Buceti 27. 2.69 g. 16.00 mm. RR. Rare issue. Porous surfaces. Good VF.