Watch List notes:

GB/Australia/Canada The Longest Reigning Monarch of the Commonwealth 2015 a 3-coin set comprising GB Five Pound Crown 2015 Gold Proof S.L43 Obverse with James Butler portrait, Australia 100 Dollars 2015 Gold Proof One Ounce of .999 gold, and Canada 200 Dollars 2015 One Ounce of .999 gold FDC in the box of issue with certificate, only 100 sets issued, a most impressive set

Estimate: 4500-5500 GBP