Watch List notes:

British Coins, William IV, proof crown, 1834, bare head r., rev. crowned shield and mantle, plain edge (S.3833; ESC.275; Bull.2465 [R5]), certified and graded by PCGS as Proof 64 Cameo, choice surfaces, dark grey obverse, the reverse two-tone with a lighter grey shield, very rare Proof of Record, excessively rare and seldom offered for sale
(55000-65000 GBP)