Maximinus II. 309-313 AD. AE Follis 5.44 g. Struck 312 AD. Nicomedia Mint. 

IMP C GAL VAL MAXIMINVS P F AVG, laureate head right.
GENIO AVGVSTI, Genius standing left, holding patera and cornucopiae, altar to left.

Star over Delta in right field. 
Mintmark SMN.

RIC VI 74b.

Used by permission of CNG, www.historicalcoins.com. CNG Auction 25, lot 62090.