Watch List notes:

ANCIENT COINS. Greek Coins. Other Properties. Thrace, Abdera (c.411-385 BC), Silver Tetradrachm, griffin facing to left, its forelegs and wings raised as if about to spring from a base, rev ΔI-ON-YΣ-AΣ, bearded head of Dionysos facing right, wearing ivy-wreath, with berries above his forehead, within shallow incuse square, 12.84g, 6h (May 287 (A213/P242)).Very fine, rare.
ex Spink Auction, London, 30 September 2010, lot 9

Estimate: £800-1000