Watch List notes:

(g) NGC PF61 | George V (1910-1936), Coronation Specimen Proof Five-Pounds, 1911, by Mackennal and Pistrucci, bare head left, rev. St George and Dragon, edge milled, 39.92g [617.2grns], 1h (W&R 414; Stratos 207; Marsh F38; EGC 1430; Spink 3994), some cabinet friction and sporadic contact points in otherwise brilliant fields, a bold extremely fine, in NGC 'St Helier' holder (Cert. #6684100-001).
Provenance
The St. Helier Collection of English Gold Coins,
,
https://www.ngccoin.uk/certlookup/6684100-001/61/
Estimate: £5000 - £8000