ROMAN IMPERIAL
Constantius II 337-361 AD. (23mm, 6.00g), Antioch. 1st edition, 350-351 AD.
Obv: Bust with pearl diadem, drapery and cuirass.
Rev: soldier with lance and shield above falling rider, sigle: Δ (in the left field) / AN A (in the excerpt). Brown Patina.