a common but nice example I just got
Maximinus II
A.D. 312-313
21x23mm 3.8g
IMP MAXIMINVS PF AVG; laureate, draped and cuirassed bust right, seen from the rear.
SPQR OPTIMO PRINCIPI; Legionary eagle between two vexilla, that on left surmounted by a right hand, that on right by a wreath; flag on the eagle.
in ex. R S
RIC VI Rome 351b
