Watch List notes:

SICILY, Messana. The Mamertinoi. 211-208 BC. Æ Pentonkion or Pentachalkon (26mm, 9.87 g, 10h). Laureate head of Apollo right; [kithara to left] / Warrior seated left on rocks, leaning on shield and crowning himself; Π (mark of value) to left. Särström Series XIV, Group A, unlisted obv. die; BAR Issue 27; CNS 30; HGC 2, 852. Brown surfaces, softly struck, some minor pitting, flan flaw on reverse. VF.