Watch List notes:

SICILY, Messana, Mamertini Pentokion. Circa 220-200 BC. Æ 27 mm (10,70 g). Laureate head of young Ares left / MAMEPTINΩN, Horseman standing beside horse, holding a lance, standing beside horse; Π in left field. Ancient damage on obverse. Attractive light green patina. Rare in this condition., Calciati 25, SNG ANS 425, Grade: 1+, Purchased from a Norwegian dealer in 2011