The horseman on the shield type are my favorite from Siscia
Constantine I
A.D. 319
20mm 2.9gm
IMP CONSTANT-INVS AVG high crested helmet, cuir., spear across r. shoulder, shield with horseman on left arm
VICTORIAE LAETAE PRINC PERP [ Joyous (well-earned) victory to the eternal Prince] two Victories stg., facing one another, together holding shield inscribed VOT PR [VOTA POPULI ROMANI (vows of the Roman people)] on altar.
In exergue BSIS dot
RIC VII Siscia 61
