Claudius II, posthumous issue struck by Quintillus, Rome mint.

IMP CLAVDIVS AVG, radiate head right.
CONSECRATIO, altar with flames above, front divided into four 
sections with dot in each section.

RIC V-1, 259 Rome, common.

Notes: The N on Rome coins is inscribed as III
The obverse legend does not include the word DIVO.