Watch List notes:

Diocletian BI Antoninianus. Cyzicus, circa AD 284-293. IMP C C VAL DIOCLETIANVS AVG, radiate and draped bust to right / CONCORDIA MILITVM, Emperor, standing to right, holding parazonium and receiving Victory from Jupiter, standing to left and holding sceptre; A between figures; XXI in exergue. RIC V.2 306. 3.45g, 23mm, 7h.

Extremely Fine.

From a private UK collection.