Watch List notes:

Maximianus, first reign, 286-305. Aureus (Gold, 20 mm, 5.18 g, 6 h), Cyzicus, 288-289. MAXIMIANVS AVGVSTVS Laureate head of Maximianus to right. Rev. COS II Maximianus on horseback to right, raising his right hand in salute. Calicó 4633 (same obverse die). Cohen 86. RIC 598. Rare. Minor traces of mounting, otherwise, very fine.