Claudius II AE quinarius, struck under Quintillus, Rome, Posthumous Issue, AD 270. 16 mm, 2.18 g.

DIVO CLAVDIO OPTIMO IMP, laureate and veiled head right.
MEMORIAE AETERNAE, lion walking right. 
Mintmark RT.

RIC V-1, 293 Rome var (obv. legend, listed only with OPT IMP); CNG 76, 3360.

With permission of cngcoins.com, Mail Bid Sale 76, Lot 3360, Sept. 2007.