Watch List notes:

BRITISH COINS, George III, Gold Third-Guinea, 1809, third type, second laureate head right, rev large crown, date below, legend around, edge obliquely grained, 2.77g (MCE 459; S 3740). Lightly toned with underlying brilliance, good extremely fine.
ex Henry da Costa Gomez collection (d.1971), Morton & Eden Auction 9, 25-26 May 2004, lot 798 (part)

Estimate: £300-400