Justinian I, AE Half-follis. Perugia mint. 

Obv: DN IVSTINIANVS PP AV, pearl diademed, draped, cuirassed bust right.
Rev: AND-like monogram (Sear type 4), S above, value K below. 

SB 328c, MIB 235; Ravenna Museum 2381.

Cortesia del Museo di Ravenna, Nov. 2010.