Watch List notes:

THE ALFRED FRANKLIN COLLECTION OF ANCIENT COINS, GREEK SILVER COINS, Kingdom of Bithynia, Prusias II (183-149 BC), Silver Tetradrachm, diademed and winged head of King facing right, rev BAΣIΛEΩΣ / ΠPOYΣIOY, Zeus standing left, crowning legend with a wreath and holding a sceptre, an eagle standing on a thunderbolt and a monogram on left, 16.93g, 12h (cf Waddington, p.225; SNG von Aulock -). Light iridescent toning, broad flan, very fine.
ex Baldwin's Auction 50, 24 April 2007, lot 29

Estimate: £600-800