Watch List notes:

Maximianus. As Senior Augustus (I), A.D. 305-307. AE follis (28.0 mm, 10.26 g, 12 h). Siscia mint, struck A.D. 305-307. IMP MAXIMIANVS P F AVG, laureate head of Maximianus right / IOVI CONSERVAT, Jupiter standing left, chlamys draped over shoulder, holding Victory on a globe and spear; VI in right field, SISA in exergue. RIC 179b. VF. Rare.

Ex Agora Auctions.

Only three recorded at ACSearch, including this coin (hammered for $90 in 2014).