Watch List notes:

THE ALFRED FRANKLIN COLLECTION OF ANCIENT COINS, GREEK SILVER COINS, Macedon, Skione (c.480 BC), Silver Tetradrachm, helmeted head of Protesilaus facing right, rev Σ-K / I-O at the corners of an incuse square containing the stern of a galley, 16.49g, 2h (Kraay, ACGC 4070; Dewing 1076). Very fine and very rare.
ex A H Baldwin & Sons Ltd, Fixed Price List, Winter 2007, item AG032

Estimate: £1000-1500