Watch List notes:

(g) Elizabeth II (1952-2022), Diamond Jubilee Proof Sovereign, 2012, crowned bust right, by Ian Rank-Broadley, rev. St George slaying the dragon, by Paul Day, milled edge, 12h, 7.97g (Spink SC8), brilliant, as struck, No. 3317 of only 5,501 struck.

Estimate: £400 - £450