Watch List notes:

Sicily, Messana, The Mamertinoi, c. 275-264 BC. Æ Double Unit (22mm, 10.95g, 1h). Head of Herakles l., wearing lion-skin. R/ MAME[...]INΩN, Eagle standing l. on thunderbolt, wings open. CNS -; HGC 2, -. Possibly unpublished. Brown tone, Good VF