Watch List notes:

Elizabeth II, Proof Crown (Five Pounds), 2017, 'A Life of Public Service', fourth portrait right, rev. HIS ROYAL HIGHNESS THE DUKE OF EDINBURGH - NON SIBI SED PATRIAE, younger Prince Philip right, by Humphrey Paget, edge plain (S.L56), brilliant FDC, a reported mintage limit of 3,200 pieces, in Royal Mint case of issue, with Certificate of Authenticity no. 1327.

Estimate: £20 - £30