Watch List notes:

Sicily, The Mamertinoi, Pentonkion, Messana, c. 220-200 BC; AE (g 11,81; mm 26; h 12); Laureate head of Ares l.; at r., helmet with neck and cheek pieces. Dotted border, Rv. MAMEPTINΩN, horseman standing l., holding distaff and horse by head; at l., Π. CNS I, n. 25 Ds 1; SNG Copenhagen 446; SNG ANS 427.
Green patina, high conservation for the typology, extremely fine.