Description
| Country | PORTUGAL |
| Denomination | Portugal 1997 500 Escudos |
| Year | 1997 |
| Metal Content | Bimetallic foil: 0.099 Gold oz., .45 Silver oz. |
| Purity | 91.66% Gold, 92.5% Silver |
| Weight | 17.1 g. |
| Comment | Dedicated to the 3rd Centenary of Antonio Vierira. Utilizing a type silver-gold foil, this coin was struck by Portuguese mint. |
