Claudius II Gothicus billon antoninianus. Antioch, 269-270 CE. 

Obv: IMP C CLAVDIVS AVG, radiate, draped and cuirassed 
bust right, seen from behind. 

Rev: SALVS AVG, Isis in typical headdress standing 
facing, head left, holding sistrum and basket, dot in 
exergue. 

RIC V-1, 217 Antioch var (mintmark)

Contributed by Bill Welch, June 2009