Gallienus. AE28 of Nysa, Lydia. Joint Reign with Valerian. 
253-260. Magistrate Kl. Pollionos.

AVT K PO LIKIN GALLIHNOC K, laureate, draped and cuirassed bust right.
EPI GR KL PWLLIWNOC NYCAEWN, Athena standing left, holding 
spear and resting hand on shield. 
Paris 904; Mionnet Supp VI, 447; Waddington 2515. (Var of
Regling 209: obv. legend and bust type)

This is an unusual coin because the laureate busts of Gallienus on Nysa coins were usually struck only during his sole reign, and with the city name only (no magistrate).