Watch List notes:

ROMAN EMPIRE: Diocletian, AE Antoninianus, AD 284-305, 21.7mm (4.4g). Obverse: IMP CC VAL DIOCLETANVS PF AVG, Draped bust of Diocletian right. Reverse: CONCORDIA MILITVM / HA / • XXI •, Diocletian standing right, holding parazonium, and receiving Victory from Jupiter standing left, holding sceptre. EF.