Watch List notes:

George V, sovereign, 1923SA, bare head l., rev. St. George and the dragon, SA on groundline (S.4004; M.287), certified and graded by NGC as About Uncirculated 55
*ex The Parkhouse Collection, St. James's Auctions, auction 32, May 2015.
Extremely rare, the currency issue is seldom offered for sale.
Rated rarity R6 in the 2017 edition of Marsh, but rated R3 in the 2021 edition.
(7500-12500 GBP)