Constantine I. 310 to 313 AD AE Follis. Trier mint.
Obvs: IMP CONSTANTINVS PF AVG, laureate, and cuirassed bust right.
Revs: SOLI INVICTO COMITI, Radiate bust of sol right. 23mm, 4.43g. A little weakness on the reverse legend, otherwise extremely fine and rare, with old collectors ticket.