Watch List notes:

Sovereign 1871 George and the Dragon Plain Edge Proof, with Large incomplete B.P. in exergue, wider date with the last 1 higher and slightly more distant from the 7, dragon with lower claws detached, 8.02 grammes, die axis upright, S.3856, UNC with some hairlines, retaining much original mint brilliance, the obverse with some small contact marks in the field below VIC, 1871 Proof Sovereigns of all types are extremely rare and highly prized

Estimate: 6000-9000 GBP