Watch List notes:

Kushano-Sasanian. Ardashir II. Sasanian vassal, ca A.D. 240-262. AE drachm (17.8 mm, 3.45 g, 4 h). Merv mint. Bust right, wearing diadem and hair tied in ball above head / Ardashir standing before horse, standing left. Alram 1218A. aVF. 

Ex CNG auction 372, lot 243.