Watch List notes:

George III, sovereign, 1817, legend type A (descending colon after BRITANNIAR, no space between REX and F:D:), laur. head r., rev. St. George and the dragon (S.3785; M.1), certified and graded by NGC as Mint State 63, practically as struck
*ex St. James's Auctions, auction 17, 2011.
The first date of issue.
(2500-3500 GBP)