Elizabeth II 2012 gold proof Sovereign

g Elizabeth II (1952-2022), gold proof Sovereign, 2012, crowned head right, IRB initials below for designer Ian Rank Broadley, Latin legend and toothed border surrounding, ELIZABETH. II. DEI. GRA REGINA. FID. DEF, rev. one-off year design created for the Queen's Diamond Jubilee, image of St. George on horseback, attacking the dragon with a lance, date in exergue, PJD for designer Paul Day, 7.98g (Marsh 336; S.SC8). Proof state with toning and some reside to fields, accompanied by Royal Mint box and Certificate of Authenticity.