ARGENTINA. Del Rio de Plata. AR 8 soles ↑↑. 26.8 gm. 38 mm. Potosi (Single year issue). 1815 PTS FL. Radiant sun with face; PROVINCIAS DEL RIO DE LA PLATA / Arms within wreath; EN UNION Y LIBERTAD. KM 15. Near Extremely Fine; lustrous and sharp.