| Emisor | Australia |
|---|---|
| Año | 1991 |
| Tipo | Non-circulating coin |
| Valor | 20 Cents |
| Moneda | Dollar (1966-date) |
| Composición | Silver (.925) |
| Peso | 13.09 g |
| Diámetro | 28.65 mm |
| Grosor | 2.5 mm |
| Forma | Round |
| Técnica | Milled |
| Orientación | Medal alignment ↑↑ |
| Grabador(es) | |
| En circulación hasta | |
| Referencia(s) | KM#82a |
| Descripción del anverso | 3rd portrait of Queen Elizabeth II facing right wearing the King George IV State Diadem. |
|---|---|
| Escritura del anverso | Latin |
| Leyenda del anverso | ELIZABETH II AUSTRALIA 1991 RDM |
| Descripción del reverso | Platypus in water, value superimposed. |
| Escritura del reverso | Latin |
| Leyenda del reverso | 20 SD |
| Canto | Reeded |
| Casa de moneda | |
| Tirada | 1991 - Proof in Masterpieces in Silver Set - 25 000 |
| ID de Numisquare | 1790144940 |
| Comentarios |