Guadeloupe, ——— Nine Livres, SPAIN, Joseph Napoléon, 20 Réales, 1812, pierced from the rev. with a square hole with crenated edges, both sides countermarked with a crowned g raised within a shaped indent, 24.04g/370.9gr (cf. Prid. 2 [Sale, lot 399]; VG 30; KM. 26). Coin fine, countermarks better £300-350

The host coin date and the style of the countermarks strongly suggest that this is an unofficial example