Diocletian, AE Tetradrachm, 291/292 (Year 8), Egypt-Alexandria, Officina 4 DIOKLHTIANOC CEB Laureate, cuirassed bust right (No legend) Athena standing facing, helmeted head left, vertical spear in right hand, left hand on shield set on ground L | H across fields D in exergue 19mm x 20mm, 7.48g