Claudius II Gothicus, AD 268-270. Antoninianus (BI; 21-22mm; 3.80g; 12h) Smyrna, 1st issue, 2nd phase, ca end 268 - early 269. IMP C M AVR CLAVDIVS AVG Radiate, cuirassed and draped bust of Claudius Gothicus to right, seen from the back. Rev. SALV-S AVG Salus standing left, feeding serpent in arms; in exergue SPQR. Extremely rare.
Bastien 2359 (this coin illustrated); C. – cf. 266; RIC V, I p. 232, 242; RIC online (temp.) 815 (this coin mentioned) (5 known).
From the M. Weder collection, Pratteln 1990 and illustrated in Bastien pl. XVI.