Watch List notes:

George IV, sovereign, 1828, bare head l., rev. crowned shield of arms (S.3801; M.13), certified and graded by NGC as About Uncirculated 55
*ex Cayon Subastas, 2016.
The only example awarded About Uncirculated 55 by NGC.
The key date. Rarity R4.
(15000-20000 GBP)