AE Follis,
24x26mm, 5.9 g, Ostia mint, CE 309-312
O: IMP C
MAXENTIVS P F AVG; laureate head right.
R: AETERNITAS
AVG N; Castor and Pollux standing facing each other, each leaning on sceptre
with outer left arm and holding bridled horse. in ex. MOSTS
