Watch List notes:

World (4) Vanuatu 100 Vatu 1995 Queen Mother Official Coronation Portrait 5 oz. Silver Proof, Tuvalu Twenty Dollars 1996 Queen Mother - Lady of the Century 60th Birthday (1960) with grandchildren 5 oz. Silver Proof, Guernsey Ten Pounds 1997 Golden Wedding of Queen Elizabeth II and Prince Philip 5 oz. Silver Proof, Guernsey Ten Pounds 1998 Queen Elizabeth the Queen Mother 5 oz. Silver Proof all nFDC to FDC in the Westminster boxes of issue with certificates

Estimate: 225-400 GBP