Watch List notes:

Elizabeth II, Proof Crown (Five Pounds), 2015, '50th Anniversary of the Death of Sir Winston Churchill', third portrait right, modified legend rev. enlarged frontal portrait of Churchill, by Mark Richards, NEVER FLINCH, NEVER WEARY, NEVER DESPAIR in incuse lettering on edge (S.L38), brilliant FDC, a reported mintage limit of 10,875 pieces, in Royal Mint case of issue, with Certificate of Authenticity no. 2374.

Estimate: £20 - £30