Watch List notes:

GB/Australia/Canada The Longest Reigning Monarch of the Commonwealth 2015 a 3-coin set in gold comprising GB Five Pound Crown 2015 Gold Proof S.L43, Australia 100 Dollars 2015 Gold Proof One Ounce, Canada 2015 200 Dollars One Ounce Gold Proof, FDC in the Royal Mint box of issue with certificate, number 57 of only 100 sets produced

Estimate: 3400-3800 GBP