Watch List notes:

Elizabeth II, Piedfort Proof Sovereign 2017, 'Bicentenary of the Modern Sovereign', obv. Clark portrait of the Queen, rev. Pistrucci's 1817 'Garter' design, motto HONI QUI MAL Y PENSE in outer ring, limited edition no. 3290 of 3500, encapsulated in Royal Mint case of issue with certificate of authenticity, FDC.
(Estimate: 800 - 1000 GBP)