Honours for Diocletian

IG II2 5 13265 Date: 285-286 AD?
 
To Emperor Caesar Gaius Valerius Diocletian pious, lucky,[1] unconquered Augustus, strongest and above all previous emperors (principes)[2] most pious Augustus, (5)Lucius Turrianus Gratianus, most brilliant man (vir clarissimus), corrector of the province of Achaia, devoted to his spirit (numini) and majesty (maiestati), (erected this).[3]