2015 Proof Sovereign, Elizabeth II, in Royal Mint case with certificate 2015 Proof Sovereign, Elizabeth II, reverse, St. George and the dragon. The coin is FDC, housed in a Royal Mint case with certificate. £600 ENQUIRY FORM To enquire about this Coin please use the form below Your Name* Your Email* Your Message How did you find us? Please selectPublicationWord of mouthSearch engineOther Human test: Which is bigger, 2 or 8?