Licinius AE20 Follis. Nicomedia. 311-313 AD. 21 mm, 3.99 g.

obv: IMP C VAL LICIN LICINIVS PF AVG, laureate head right 
rev: SOLI INVICTO, Sol, radiate, standing left in long robe with raised right hand and head of Serapis in left, Gamma to left, SMN in ex. 

RIC VI Nicomedia 73a.

With permission of Leu Numismatik AG - Web Auction 15, Lot 2155, Feb 2021.