Watch List notes:

Diocletian, 284-305 Antoninianus Lugdunum 287-288, billon 22.00 mm., 3.79 g.
Radiate, draped and cuirassed bust r. Rev. Jupiter standing l., holding thunderbolt; in r. field, A and eagle at feet. In exergue, SIVIL. C 182. RIC 37.

Good Very fine