Constantine the Great AE3. October 312 - May 313 AD. obv: IMP C CONSTANTINVS P F AVG, laureate, cuirassed bust right rev: GENIO POP ROM, Genius standing left with modius on head, patera & cornucopiae, naked but for chlamis over right arm, MOSTP in ex. Rated "Scarce" by RIC. Contributed by Tony Woodley.