Watch List notes:

George IV, sovereign, 1826, large 6 over small 6 in date, bare head l., rev. crowned shield of arms (type S.3801; M.11B), overdate variety unlisted in the Standard Catalogue, good fine
*ex Morton and Eden, auction 91, 2017, with a printed copy of the original listing.
Exceedingly rare. Rarity R6.
(1000-1500 GBP)