Watch List notes:

Roman Gaming Token (?), designed and elaborately cut from a Maxentius Æ Nummus. Ostia, 312 BC. [IMP C MAXENTIVS P F AVG], laureate head right / [AETERNITAS AVG N], the Dioscuri standing facing each other, their horses between; [MOSTS] in exergue. Cf. RIC 35. 4.30g, 20mm, 12h.

Condition as seen.