| Issuer | Uruguay |
| Year | 1981 |
| Type | Non-circulating coin |
| Value | 100 Nuevos Pesos (100 UYN) |
| Currency | Nuevo peso (1975-1993) |
| Composition | Silver (.900) |
| Weight | 12 g |
| Dimensions | 33 mm |
| Thickness | 1.76 mm |
| Shape and Technique | Round Milled |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | |
| In circulation to | 15 September 1991 |
| Reference(s) | KM#80, SA#E.1, CG#127 |
| Obverse description | Name of country on top, Hydroelectric dam at center, value on bottom. This hydroelectric dam was built on the shared effort of Argentina and Uruguay, and electric power generated is also shared between both countries. |
| Obverse script | Latin |
| Obverse lettering | URUGUAY N$ 100 |
| Reverse description | Coats of arms from Argentina and Uruguay, countries who shared contruction of the hydroelectric dam, and date. |
| Reverse script | Latin |
| Reverse lettering | SALTO GRANDE OBRA BINACIONAL So 1981 |
| Edge | Reeded |
| Mint | (So) Casa de Moneda de Chile,Santiago, Chile (1743-date) |
| Mintage | 1981 So - - 25 000 |
| Catalog ID | 2080689420 |
| Comments |
