this one just sold for 1800 euros--
CONSTANTINE I 'THE GREAT' (307/10-337). Follis. Rome.
Obv: IMP CONSTANTINVS P F AVG.
Laureate, draped and cuirassed bust right.
Rev: LIBERATOR ORBIS / R (star) P.
Constantine on horseback leaping right, hunting lion running right, head reverted.
RIC -; Cohen 317; Not-in-RIC website:
https://www.notinric.lechstepniewski.info/7rom-17_p.html.
Extremely rare
Condition: Good very fine.
Weight: 3.40 g.
Diameter: 22 mm.