Veinte reales
A 20 reales silver coin substituting for the 8 reales issued by Jos� I (1808-1813) (Jos� Napole�n) in Madrid 1808-1813. It was also minted by Fernando VII in 1820-1823 plus his last year, 1833 and during the first part of the reign of Isabel II (1833-1864).
Source: Numiscadero Spanish to English Glossary (Gary Beals)