Watch List notes:

George III, Bank of England, proof dollar, 1804, type K/3, struck in copper on a thick flan, laur. and dr. bust r., rev. Britannia seated l. within oval band (ESC.-; L&S.-), in plastic holder, graded by PCGS as Proof 64 Brown, extremely rare For a similar piece, see St. James's Auction 18, 27 September 2011, lot 316.

Estimate: £800-1000