Rare Fausta follis, R2 in RIC rarity index.
Roman Imperial
Fausta (doughter of Maximianus, wife of Constantine I the Great, 307-326), Follis 318-319, Thessalonica mint
Obverse: draped bust to right
FAVSTA N F
Reverse: Eight-pointed star in laurel wreath
Diameter 19 mm, weight 2.55 g