Watch List notes:

ANCIENT COINS. Greek Coins. Other Properties. Attica, Athens (after 449 BC), Silver Tetradrachm, head of Athena right, wearing crested Attic helmet decorated with three olive-leaves and palmette, rev AΘE, owl standing right, head facing, olive-sprig and crescent behind, all within an incuse square, 17.08g, 9h (Kroll 8; SNG Cop 31).About extremely fine.
ex 'American Collection', Glendinings, 5 October 1987, lot 67

Estimate: £1000-1200