Licinius I, AE Follis, Siscia. AD 312. 

IMP LIC LICINIVS PF AVG, laureate head right.
IOVI CO-NS-ERVATORI, Jupiter standing left, chlamys hanging from left shoulder, holding thunderbolt and sceptre, eagle with wreath at foot left. 

Delta in right field.
Mintmark SIS. 

RIC VI Siscia 222a; Sear 15205.

Sold by Jesus Vico S.A. - Auction 147, Lot 3502, March 2017.