CONSTANTINVS P F AVG (Translation: Constantinus, pious and fortunate emperor.)
Reverse description
Jupiter, chlamys draped over left shoulder, standing front, head left, holding thunderbolt in right hand and leaning on sceptre with left hand; at feet to left, eagle holding wreath in beak. Officina letter in left or right field. Mintmark with dot in middle and end in exergue.
Reverse script
Latin
Reverse lettering
IOVI CONSER-VATORI AVGG or
IOVI CONSERV-ATORI AVGG (Translation: To Jupiter, preserver of the emperors.)