Watch List notes:

ANCIENT COINS, PARTHIAN COINS, Arsaces XVI (78/7-62/1 BC), Silver Tetradrachm, minted at Seleucia on the Tigris, diademed and short bearded bust left, wearing spiral torque, dotted border, rev archer enthroned right, monogram engraved over AΠO above bow, AΠO below bow, seven line inscription ΒΑΣΙΛΕΩΣ ΜΕΓΑΛΟY ΑΡΣΑΚΟY ΘΕΟΠΑΤΟΡΟΣ ΕYΕΡΓΕΤΟY ΕΠΙΦΑΝΟYΣ ΦΙΛΕΛΛΗΝΟΣ, 14.19g, 12h (S 30.5 (Unknown King)). Good fine, extremely rare variety.
from The David Sellwood Collection of Parthian Coins

Estimate: £500-700