Maximianus (286-305, 306-308, 310 A.D.) -  Pre-Reform AE Antoninianus of his 1st reign - 21.15mm?, 3.87g
Obverse IMP MAXIMIANVS PF AVG Maximianus, his radiate and cuirassed bust right	Reverse IOVI CONSERVAT AVGG XXIZ in exergue. Jupiter standing left holding thunderbolt and scepter.
The image below was photographed by Uwe Neumann.The image above is my own scan.
Minted at the 6th officina (Z) in Roma (Rome, Italy) in 285-286 A.D. Reference:  Sutherland, C.H.V., "Roman Imperial Coinage", Volume 5 (RIC), Part II, p294?, nr 506. Sear, D.R., "Roman Coins and their Values" (RCV Millennium Edition), Volume 4, p148, nr. 13134?. Cohen, H, "Descriptions Historique des Monnaies frappees sous l'Empire Romain" (C), Volume 6, p523?, nr. 355. Van Meter, D., "Handbook of Roman Imperial Coins" (VM), p278, nr. 24?. Suarez, R., "Encyclopedia of Roman Imperial Coins" (ERIC II),  p768, nr. 1442? (B69, O33, R104, T81, M02, Exe XXIZ) Suarez, R., (ERIC II-Digital), p639, nr. 1442? (B69, O33, R104, T81, M02, Exe XXIZ) Kampmann, U., "Die Münzen der römischen Kaiserzeit" (K, 2e Auflage), p341, 102.18? Ex Uwe Neumann collection. Quality: Very Fine+/Extra Fine- Rarity: C (Common)