Watch List notes:

ANCIENT COINS, PARTHIAN COINS, Unknown King (c.AD 140), Silver Drachm, minted at Ecbatana(?), bust left, wearing double banded diadem with double loop and three pendent ends, hair in three waves, spiral torque removed from coin, rev archer enthroned right, monogram below bow, seven line inscription ΒΑΣΙΛΕΩΣ ΒΑΣΙΛΕΩN ΑΡΣΑΚΟY EYEPΓETOY ΔΙΚΑΙΟY ΕΠIΦΑNOYΣ ΦΙΛΕΛΛΗΝΟΣ, stylised and totally blundered, 3.66g, 12h (S 83.2 (beard, torque and diadem ties and ends altered on coin)). Good fine.
from The David Sellwood Collection of Parthian Coins

Estimate: £100-150