Watch List notes:

ANCIENT COINS, PARTHIAN COINS, Artabanus III (126-122 BC), Silver Tetradrachm, minted at Seleucia on the Tigris, diademed and medium bearded bust right, wearing spiral torque, reel-and-pellet border, rev Demeter enthroned left, holding Nike and cornucopiae in right and left hands respectively, two line inscription ΒΑΣΙΛΕΩΣ ΑΡΣΑΚΟY, monogram in field left, ΘE before Demeter, date HΠP (188 SEM = 125/4 BC) in exergue, 16.07g, 1h (S 21.3 (Artabanus I)). Good fine, rare.
from The David Sellwood Collection of Parthian Coins

Estimate: £300-400