Valerian I, Bi. antoninianus. 257 AD. 19 g. Rome mint (recognizable by the N engraved as "III").

IMP C P LIC VALERIANVS AVG, radiate, draped and cuirassed bust right.
CONCORDIA EXERCIT, Concordia standing left, holding patera and cornucopiae.

RIC 81; RSC 39; Sear 9929.

With permission of TimeLine Auctions 
(www.timelineauctions.com), June 2019