Mamertini, Messana, Sicily, AE Uncia. 220-200 BC. 2.45 g. 

Laureate head of Apollo left, bow behind head.
MAMERTINWN, omphalos.

BMC 50; Hoover HGC 884; Calciati I 28. 

With permission of Gerhard Hirsch Nachfolger, Feb 2014