Watch List notes:

Seleucid, Alexander I Balas (150-145 BC), silver tetradrachm, Antioch, diad. head of Alexander I r., within bead and reel border, rev. Zeus enthroned l., holding sceptre in l. hand, r. hand holding Nike crowning him, monogram in inner left field; in ex. SΞP and monogram, wt. 16.29gms (HGC.9, 875a), good very fine
(50-60 GBP)