Watch List notes:

ANCIENT COINS, Greek, Ionia (c.670 BC), Electrum Trite, lightly striated surface (perhaps an earlier prototype of the clearly striated issues), rev two incuse punches, side-by-side, 4.60g (SNG Kayhan 679; Weidauer 5). One of the very first coins to bear an obverse design, about extremely fine and very rare.
ex Spink Numismatic Circular, July 2009, vol CXVII, no.3, item GK2754

Estimate: £4000-5000