Watch List notes:

(g) France, First Empire, Napoléon Bonaparte (1804-14), gold 20-Francs, 1806-A, Paris, bare head (Le Franc 513.1; Fb 487; Gad 1023; KM 674.1), an exceptional example, very rare in this grade, in early PCGS holder, graded MS63, the joint second finest.
PCGS Certification #17269670
, An example in NGC holder, graded MS63 sold for $3,600 in New York in January 2015.
Estimate: £2200 - £2500