Watch List notes:

Sovereign 1830 William IV Gold Pattern by W.Wyon after Chantrey's Model. Coarse hair and with flat-topped ear, Coarse Beading, the nose points to the last I in BRITANNIAR. W.W. incuse on the truncation. Reverse by J.B.Merlen. Die Axis inverted. S.3829B, Wilson & Rasmussen 260 and rated R5, in an NGC holder and graded PF61 Cameo, some hairlines in the fields but retaining much original mint lustre, a key rarity and an interesting Pattern for the William IV collector, with no William IV currency coins minted for this date. We note the Bentley example realised £19,200 hammer price as far back as 2013. Now lists in the Spink catalogue at £21,500

Estimate: 12000-15000 GBP