Watch List notes:

Sicily, The Mamertinoi, Pentonkia, c. 220-200 BC; AE (g 10,15; mm 24; h 9); Laureate head of Ares l., at r. sword, dotted border, Rv. MAMEPTINΩN, nude horseman l., holding spear and horse with foreleg raised; at l. Π. Dotted border. CNS I, n. 25; SNG Copenhagen 447; SNG ANS 429.
Green patina with brown shades. Light tooled. Very fine