Watch List notes:

The Uvedale Collection | AU58 | George III (1760-1820), Rose Half-Guinea, 1786, fourth laureate head right, rev. crowned shield of arms, eight strings to harp, edge obliquely milled, 4.19g, 6h (EGC 827; MCE 426; Spink 3734), some flawing in shield and lightly wiped, otherwise lustrous, about extremely fine, in NGC holder, graded AU58 (Cert. 6135269-012).
Purchased April 1997
,
https://www.ngccoin.com/certlookup/6135269-012/58/
Estimate: £400 - £600