Gallienus, AE28 of Hierapolis, Phrygia, alliance issue
with Ephesos.

AY K P LI GALL-IHNOC, radiate, draped and cuirassed bust right. (Obverse double-struck).
IERAPO-LEITWN (left) K EFECIWN (right) NEWKORWN (above) OMONOIA (in exergue), Apollo of Hierapolis standing right, 
holding lyre and plectrum, facing cult statue of Artemis Ephesia.

Armstrong 32 otherwise unpublished.

Dane's collection, Sept. 2015

Note: the Armstrong work is the excellent thesis, "Roman 
Phrygia: Cities and their Coinage" by Andrea June Armstrong 
of the University College London.