Watch List notes:

(g) MS61 | Edward VII (1901-1910), Sovereign, 1910 M, Melbourne, edge milled, 8.00g, 12h (Marsh 194; McD 235; Spink 3971), bright and lustrous, extremely fine, in NGC holder, graded MS61 (Cert. #6295130-010).
Provenance
The Lansdown Collection of Guineas and Sovereigns,
Estimate: £300 - £350