Watch List notes:

Tristan da Cunha a 3-coin set in gold 2021 HRH Prince Philip Tribute Gold Sovereign Prestige Set comprising Sovereign, Half Sovereign and Quarter Sovereign Proof FDC in the Hatton's of London box of issue with certificate stating a mintage limited to 499 sets, the Sovereign and Half Sovereign only available as part of this set.

Estimate: 500-700 GBP