Diocletian, AD 284-305. Æ antoninianus (4,14 g). Cyzicus mint, struck AD 291. Radiate, cuirassed and draped bust right / Diocletian, on the left, holding parazonium and receiving Victory on globe from Jupiter; Jupiter on the right, holding long scepter; Γ between; XXI• in exergue. Attractive and well preserved surfaces., RIC V 306, Grade: 01, Ex Oslo Mynthandel, auction 58, 21.4.2007, part of lot 1385