Watch List notes:

(g) France, Charles X (1824-1830), 20-Francs, 1830 over 29-A, Paris, anchor, edge lettered, 6.46g, 5h (Le Franc 520.13; Gad 1029; Fb. 549; KM 721.1), the overdate clear, a light peripheral tone across quite brilliant fields, almost extremely fine, rare.
Provenance
The Quinn Collection
Purchased Jean Vinchon (Paris), 18 March 1991 - FF850
Estimate: £240 - £280