here's a nice example
Constantine I
A.D. 311- 312
21x23mm 3.9gm
CONSTANTINVS P F AVG; laureate and cuirassed bust right.
ADVENTVS AVG N; Prince riding left, r. raised, l. holding up spear, on horse pawing seated captive to l.; ✶ in right field.
in ex. PLN
RIC VI London 142