A 2017 gold Proof Sovereign 3-coin set from The Royal Mint. This is the smaller sized set and features a Proof Sovereign, Half Sovereign, and Quarter Sovereign.  
 
The 2017 Proof Sovereigns feature Pistrucci's original 1817 garter design and the 5th portrait by Jody Clark. Complete with its own Certificate of Authenticity.  Bound in a good looking case - limited to 1000 sets.