Watch List notes:

Diocletian. A.D. 284-305. Æ antoninianus (22 mm, 3.90 g, 6 h). Cyzicus, A.D. 285-293. IMP C C VAL DIOCLETIANVS P F AVG, radiate, draped and cuirassed bust of Diocletian right / IOV ET HERCV CONSER AVGG, emperor standing right, holding scepter, receiving Victory on globe from Jupiter standing left, holding scepter; (crescent)/Γ///XXI. RIC 323. NGC MS, strike: 4/5, surface: 4/5, silvering.