Maximianus, AV aureus multiple, Nicomedia. 305-306 AD, 20mm, 5.46 gr.

MAXIMIANVS AVGVSTVS, laureate head right.
IOVI CONSERVARORI NK, Jupiter standing left, chlamys
hanging behind, holding thunderbolt and sceptre.
Mintmark SMN

RIC VI Nicomedia 33.

Petrijanec treasure inv. no. C12848 (1805, this coin); 
Zagreb Archaological Museum.