正面: Eagle with wings spread, facing right, with a serpent in its beak and sprays below; ESTADO DE OCCIDENTE. 背面: Radiant liberty cap; C 1828 1/8. 边缘 : Oblique reeding. Size varies: 17-18mm, weight varies: 2-3 g. C before date on reverse may be a mint mark standing for Concepcion de Alamos.
