Uniface error that happened because two flans stuck together during the minting process; which later separated creating this error.
The obverse is either Maximianus, Licinius, Maximinus or Constantine.
Uncertain Tetrarchic ruler
A.D. 310- 311
Ӕ follis 21mm 4.5g
GENIO AVGVSTI CMH; Genius standing left, modius on head, naked but for chlamys over left shoulder, right holding patera from which liquid flows, left cornucopiae.
In ex. SMNE
RIC VI Nicomedia 66