Diocletian. AD 284-305. Antoninianus (21mm, 4.21 g, 12h). Cyzicus mint, 2nd officina. Struck AD 290-292. Radiate, draped, and cuirassed bust right / Diocletian standing right, holding scepter and receiving Victory on globe from Jupiter standing left, holding long scepter; B//XXI •. RIC V 306. Fully silvered. EF.