Claudius II. AE Antoninianus. Cyzicus.

Obv: IMP CLAVDIVS PF AVG, radiate head right, 3 dots below
Rev: VIRTVS AVG, Soldier standing left, holding branch and 
spear, shield at feet
Mintmark: SPQR

RIC V-1, 254 Cyzicus var (bust type)
Not in RIC with this bust type with the three dots below.

Dane's collection, January 2010.