Watch List notes:

Sicily, The Mamertinoi Æ Pentonkion. Messana, circa 220-200 BC. Laureate head of Ares left; helmet to right / Horseman advancing left, holding spear and placing hand on head of horse standing left; mark of value to left. Särström Series XI, Group A, Type c; BAR Issue 24; CNS 25 Ds 1; SNG ANS 428; HGC 2, 849. 11.51g, 27mm, 11h.

Good Fine. Rare.

From the inventory of a German dealer;
Ex J. Swithenbank collection, Roma Numismatics Ltd., E-Sale 10, 26 July 2014, lot 63.