Watch List notes:

(g) NGC MS62 | George V (1910-1936), Sovereign, 1911 C, Ottawa, bare head left, rev. St George and Dragon, edge milled, 7.98g, 12h (Marsh 221; Spink 3997), lightly bagmarked in otherwise attractively choice fields, a bolder extremely fine for issue, scarce, in NGC holder, graded MS62 (#3589886-004).
https://www.ngccoin.uk/certlookup/3589886-004/62/
Estimate: £400 - £500