Watch List notes:

ANCIENT COINS, GREEK, Kingdom of Egypt, Ptolemy I Soter (as Satrap, c.323-305 BC), Silver Tetradrachm, minted at Alexandria, struck c.309-305 BC, head of Alexander the Great facing right, wearing diadem and an elephant's skin headdress, rev [A]ΛEΞANΔPOY, Athena Promachos advancing right, brandishing a spear and holding a shield, monogram on right, eagle standing to right below a helmet, 15.74g, 11h (Svoronos 164; SNG Lockett 3393; SNG Copenhagen -). Good very fine.
from the David Sellwood Collection

Estimate: £500-700