Watch List notes:

Elizabeth II, platinum proof piedfort five pounds, 2018, Celebrating the 70th Birthday of HRH The Prince of Wales, head r., wearing tiara, rev. Prince Charles (Now King Charles III), wt. 94.20gms. (S.L19), in case of issue, with certificate, FDC
One of only 70 issued.

Estimate: 2000 - 2500 GBP