I think this is the last issue with Constantine as Caesar...maybe because he was so grumpy.
Constantine I
A.D. 309- 310
Ӕ follis 23x24mm 6.3g
FL VAL CONSTANTINVS NOB CAES; laureate head right.
GENIO CAESARIS✶; Genius standing left, modius on head, naked except for chlamys over l. shoulder, r. holding patera over altar, l. cornucopiae; right field I.
In ex. ANT
RIC VI Antioch 118b