Claudius II AE Antoninianus. Rome, AD 270. 19 mm, 3.25 g.

IMP CLAVDIVS AVG, radiate head right.
IOVI VICTORI, Jupiter standing left, holding thunderbolt and sceptre.

N in right field. 

RIC V-1 55.

Courtesy of Albert-Ludwigs-Universität, Freiburg, inv. 5643: