Watch List notes:

Ten Pounds 2019 The Tower of London - The Ceremony of the Keys 5oz. Gold Proof FDC in the Royal Mint box of issue with certificate number 17 of just 45 issued, with only 35 issued in this format, our archive database indicates that this is the first example we have offered. All four of the 2019 5oz. Tower of London issues are offered here in this sale, and given the tiny mintages for these pieces, collectors for these impressive modern pieces will be able to purchase the entire set together

Estimate: 7000-8000 GBP