SASANIAN KINGDOM: Valkash, 484-488, AR drachm (3.82g), AS (Asuristan, the Treasury mint), ND, G-178 type, contemporary imitation, with two countermarks on the obverse, Pahlavi ASWN (or something similar) to the left, the right countermark mostly off flan and uncertain, VF, RR.
Estimate: 130-170 USD