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 and softly struck, otherwise delightfully lustrous and fresh, good very fine, in NGC holder, graded MS62 (#3601789-004).
Provenance
Heritage, 'Weekly Auction' 231308, 21 February 2013, lot 60073 - $401
https://www.ngccoin.uk/certlookup/3601789-004/62/
Estimate: £400 - £500