Augustus, AE, Homonoia of Sardes and Pergamon. 31 BC-14 AD. 

Obv: SEBASTOU. Bare head right. 
Rev: SARDIANWN KAI PERGAMHNWN - MOU - SAI - OS, Demos, naked to waist, standing right, holding sceptre in left hand, 
offering right hand to Demos of Pergamon (or emperor) who is
standing left in short tunic and mantle, holding transverse 
sceptre. 

RPC 2988; Imhoof Monn. Gr. p. 389, 32; BMC Mysia 
213; SNG Cop 545; Vienna 34182.

With kind permission of Auktionshaus H. D. Rauch GmbH, Sept. 2013.