Watch List notes:

Maximianus. First reign, AD 286-305. Antoninianus (23.5mm, 2.85 g, 1h). Rome mint, 6th officina. Radiate, draped, and cuirassed bust right / Jupiter standing left, holding thunderbolt and scepter; XXIς. RIC 506. Brown patina with some trace silvering, minor deposits. Near EF.

From the Conti Collection. Ex Classical Numismatic Auctions XIII (4 December 1990), lot 522.