Claudius II, posthumous half follis. Siscia.

Obv: DIVO CLAVDIO OPTIMO IMP, Veiled and laureate head right.
Rev: REQVIES OPTIMOR-VM MERITORVM, Emperor seated left on 
curule chair, raising hand and holding sceptre. 

Mintmark SIS.
RIC VII, 43, rated R3. 

With permission of Numismatik Lanz, May 2011.