Here is a neat unofficial coin. The ALAMANNIA DEVICTA type was never issued for Constantine I, but it seems that someone thought that it should have been minted.
Constantine I
A.D. 324- 325
17mm 2.1gm
CONSTAN-TINVS AVG, Laureate bust right.
ALMANNI-A DEVICT, Victory standing right, on bound captive with head turned to left, holding laurel branch and trophy.
In ex. SIRM