Diocletian. ; Diocletian; 284-305 AD, Alexandria, Egypt, Year 9 = 292/3 AD, Billon Tetradrachm, 7.44g. Cologne-3262, BM-2503. Obv: ?IoK?HTIANoC CEB Bust laureate, cuirassed r., seen from front. Rx: Elpis (Spes) advanciing l., holding flower and raising skirt; date ENATOV upwards on l., L in r. field; in exergue, officina letter ?.. EF