Diocletian, 284-305. Antoninianus (Silvered bronze, 23 mm, 4.43 g, 7 h), Lugdunum, 289-290. IMP DIOCLETIANVS AVG Radiate, draped and cuirassed bust of Diocletian to right, seen from behind. Rev. SALVS AVGG / T Salus standing front, head to right, feeding serpent in arms. Bastien -, cf. 293-298 (all for Maximianus). Cohen 442 var. RIC -. A very rare variety. Partially silvered and well centered. About extremely fine.
Bastien only knew issues in the name of Maximian from the third officina.