Watch List notes:

BRITISH COINS, George III, Gold Half-Guinea, 1804, seventh laureate head right, rev quartered shield of arms upon crowned garter, date below, legend around, 4.18g (MCE 442; S 3737). About extremely fine, lightly toned.
ex Henry da Costa Gomez collection (d.1971), Morton & Eden Auction 9, 25-26 May 2004, lot 796

Estimate: £400-500