hee's a nice example of this rarer type for Constantine
Constantine I
A.D. 307
27x28mm 12.3gm
FL VAL CONSTANTINVS NOB CAES; laureate head right.
GENIO AVGG ET CAESARVM NN; Genius standing l., modius on head, naked but for chlamys over l. shoulder, r. holding patera, l. cornucopiae; ✶in right field.
In ex. KΓ
RIC VI Cyzicus 26b