Gallienus, AE of Parion, Mysia. 7.58 g. 

IMP C GALLIENVS, laureate, draped, cuirassed bust right.
C G H I P, triumphal arch with three arches, surmounted by
quadriga of elephants facing between two Nikes. 

SNG Paris 1534; Price/Trell, p. 117, Fig. 211.

Courtesy of Helios Auction 5, June 2011