Watch List notes:

Diocletian. A.D. 284-305. Æ antoninianus (21 mm, 6 h). Antioch, A.D. 293-295. IMP C C VAL DIOCLETIANVS P F AVG, radiate, draped and cuirassed bust of Diocletian right / CONCORDIA MILITVM, emperor standing facing, head right, holding parazonium and receiving Victory on globe from Jupiter standing facing, head right, holding scepter; Z between; XII in exergue. RIC 322. NGC AU, silvering.