Watch List notes:

Gibraltar a 3-coin set in gold, Sovereign, Half Sovereign and Quarter Sovereign 2019 50th Anniversary of the First Flight of Concorde Gold Proofs with reverse frosting, the reverse designs each with pieces of the Concorde plane and when placed together make up the whole aircraft, FDC in the Hatton's of London box with their certificate, the Half Sovereign only available as part of this set

Estimate: 600-1000 GBP