Diocletian. Potin tetradrachm, Alexandria. Dated Year 3 = AD 287.

AK G OVA DIOKLHTIANOC CEB, laureate, cuirassed bust right. 
Date L Gamma to right of Tyche standing left, holding rudder and cornucopiae.

Dattari 5755; SNG Righetti 2948; Geissen 3227.

With permission of TimeLine Auctions 
(www.timelineauctions.com), April. 2021