Watch List notes:

(g) The Uvedale Collection | AU55 | William IV (1830-1837), Sovereign, 1831, first bare head right, nose to second N, fine beading on obverse, rev. crowned shield on mantle, edge milled, 7.97g, 6h (Marsh 16; MCE 489; Stratos -; Spink 3829), lightly wiped, yet residually lustrous, a bolder very fine, the scarcer first year of issue, in NGC holder, graded AU55 (Cert. #6135270-008).
Purchased April 1997
,
https://www.ngccoin.com/certlookup/6135270-008/55/
Estimate: £500 - £800