Watch List notes:

Diocletian. A.D. 284-305. AE antoninianus (21.7 mm, 4.18 g, 12 h). Lugdunum mint, struck A.D. 285. IMP C C VAL DIOCLETIANVS P F AVG, radiate, draped, and cuirassed bust of Diocletian right / VICTORIA AVGG, Victory advancing left, holding wreath and palm over shoulder; A in left field. RIC 92. gVF, sharp strike. Scarce.

While RIC rates this type as common, there are none recorded in ACSearch or found at Wildwinds.