Valerian 1, AE29 of Side, Pamphylia.

AVT K PO LIK OYALERIANON CEB, laureate, draped bust right, 
countermark E (value) to right.
CIDHTWN, Athena standing left, holding palm and dropping 
voting pebble into amphora to left. 

SNG Pfalz 795 var.

from German numismatic forum, June 2011.