Bronze follis, 20mm, 4.26gm, issued AD 312 Nicomedia mint.
Obv: IMP C VAL LICIN LICINIVS PF AVG, Laureate head facing right.
Rev: SOLI INVICTO (SMN in ex.), Sol standing hand outstretched, holding head of Serapis, ∗Z in left field.
References: Sear 15274, RIC 77a.
Rare.