Constantine I ADVENTVS AVG N from London

[Victor]

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