Watch List notes:

G British Coins, William IV, proof sovereign, 1831, plain edge, second bare head r., rev. crowned shield of arms (S.3829B), certified and graded by NGC as Proof 62 Ultra Cameo, a tightly graded coin having dramatic contrast between the heavily frosted portrait and royal shield and the mirrored surfaces around those motifs, quite rare, from the Coronation proof set of this year, with an estimated mintage of 225 pieces
(9000-11000 GBP)