Roman Imperial
Constantine I the Great (306–337) as Ceasar, Follis 307, Rome mint
Obverse: laureate head right
CONSTANTINVS NOB CAES
Reverse: Roma seated front, head left in hexastyle temple, holding globe in right hand and sceptre in left hand, R✱Q in exergue
CONSERVATORES VRB SVAE
Diameter 26 mm, weight 6.37 g