Watch List notes:

Diocletian. AD 284-305. AV Aureus (20mm, 5.34 g, 7h). Cyzicus mint. Struck AD 287. DI-OCLETIANVS AVGVSTVS, laureate head right / COS III, emperor on horseback right, raising right hand in salutation. RIC V 287; Depeyrot 7/2; Calicó 4445; Biaggi 1702. Good VF. Rare.