Gallienus, Rome mint, 253-254 AD.,
Æ As (23-24 mm / 10,06 g),
Obv.: IMP C P LIC G - ALLIENVS AVG , laureate, draped, and cuirassed bust of Gallienus right, seen from behind.
Rev.: CO[N]CO[RDIA E]XERCIT / S - C , Concordia standing left, holding patera and double cornucopiae.
Göbl 15gg, pl. 2, the illustrated spec. in BM is the only one known to him, from the same dies ; RIC V, I, 88, 265 var. (unlisted bust) ; Coh. 133 .
Curtis Clay:
"Göbl 15gg, pl. 2, the illustrated spec. in BM is the only one known to him, from the same dies as yours.
Also from the same obv. die: rev. VOTIS / DECENN / ALIBVS / S C in wreath, Göbl pl. 7, 40gg(1)."