Watch List notes:

WORLD COINS, GREAT BRITAIN, George III, (1760-1820). Gold Proof Sovereign, 1818. Legend type B, reeded edge. Laureate head right. Rev. St. George and the Dragon. (S3785A; WR 198 (Rarity 6, just 3 to 5 known, extremely rare, according to Wilson & Rasmussen); Fr 371; KM 674). Finest known example of this extremely rare proof issue. NGC graded Proof 65 Ultra Cameo.

Estimate: $ 60,000