Watch List notes:

(x) NGC PF70 ULTRA CAMEO | 'First 2,500 Struck' | Elizabeth II (1952-), Sterling Silver Proof Five Pounds, 2013, Birth of Prince George, crowned bust right by Ian Rank-Broadley,rev. Pistrucci's St George and dragon, milled edge, 12h (Spink L26), brilliant surfaces, as struck, one of only 2,500 struck, in NGC holder, graded PF70 ULTRA CAMEO (Cert. #3789718-051) ~ 'One of the First 2,500 Struck'.
https://www.ngccoin.com/certlookup/3789718-051/70/
Estimate: £60 - £100