Watch List notes:

USA Twenty Dollars Gold 1859O Breen 7196, thin mintmark, centrally positioned between the N and the tail feathers, Near EF/EF the obverse rubbed on the face and possibly once cleaned in the past. Only 9100 minted, Estimates vary on current extant pieces, it is thought that between 85 and 100 pieces survive today. We note that the 1859O Twenty Dollars is one of the coins tracked in the US by the 'Rare Coins Values Index' a representative group of 87 rare US coins tracking the ongoing progress of the market.

Estimate: 15000-20000 GBP