Watch List notes:

(g) AU58 | Victoria (1837-1901), 'Old Head' Sovereign, 1899 M, Melbourne, edge milled, 8.00g, 1h (Marsh 159; McD 202; Spink 3875), bagmarked, otherwise lustrous, almost extremely fine, in NGC holder, graded AU58 (Cert. #6295129-019).
Provenance
The Lansdown Collection of Guineas and Sovereigns,
Estimate: £300 - £350