Watch List notes:

British Coins, George III, proof half sovereign, 1817, by Benedetto Pistrucci, laur. head r., rev. crowned shield of arms, dot below, straight grained edge (S.3786; W&R.204), certified and graded by PCGS as Proof 64 Deep Cameo, extremely rare
11 to 20 specimens known.

($8250-8750)