ROMAN/Diocletian CE 284-305 Tripolis Mint

 AE Antoninianus; 20 mm, 3.39 g, 6h, Tripolis mint c. CE 284-286

RIC 330 variety

RCV 12670 variety

O: rad, drap, cuir bust r. IMP C G VAL DIOCLETIANVS PF AVG

R: Jupiter r holding orb and spear receiving wreath from Victory, IOVI CON-SERVATOR-IAVG

in ex XXI (possible palm to left?) TR above in field. 

slightly different from the types described by Esty Tripolis mint, Roman Empire (augustuscoins.com)

Ex W Esty