317-318 AD., Maximianus Herculius, posthumous issue, Siscia mint, Half-follis, RIC 41.

Maximianus Herculius, posthumous issue struck under Constantine I. (the Great), Siscia mint, 317-318 AD.,
Æ3 / Half-follis (15-16 mm / 1,52 g),
Obv.: DIVO MAXIMIANO SEN FORT IMP , laureate veiled bust of Maximianus right.
Rev.: REQVIES OPTIMORVM MERITORVM / SIS , emperor seated left on curule chair, raising hand and holding scepter.
RIC VII, 429, 41 ; Coh. 495 .

Constantine the Great struck commemorative issues for three persons: his claimed forefather Claudius II Gothicus (titled Optimus imperator), his adoptive grandfather Maximianus (Fortissimus imperator) and his real father Constantius (Pius princeps).