DIOCLETIAN, A.D. 284-305. AV Aureus (4.62 gms), Cyzicus Mint, A.D. 284-286. NGC Ch MS, Strike: 5/5 Surface: 4/5. RIC-299; Calico-4524. Obverse: IMP C C VAL DIOCLETIANVS P F AVG, laureate, draped, and cuirassed bust right; Reverse: IOVI CONSERVATORI ORBIS, Jupiter standing left, holding victoriola and scepter. With exceptional quality and breathtaking brilliance, this shimmering, lustrous example completely dazzles the eye and could easily be mistaken at first glance for a late renaissance or even early modern hammered issue given its tremendous appeal that has miraculously survived wholly unblemished since the tetrarchy of antiquity. For the advanced collector of stunning ancients or even world gold in general, this is clearly an incredible opportunity for beauty and magnificence.