| Issuer | Australia |
| Year | 1991 |
| Type | Circulating commemorative coin |
| Value | 50 Cents |
| Currency | Dollar (1966-date) |
| Composition | Copper-nickel (75% Copper, 25% Nickel) |
| Weight | 15.55 g |
| Dimensions | 31.51 mm |
| Thickness | 3 mm |
| Shape and Technique | Dodecagonal (12-sided) Milled |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | KM#139 |
| Obverse description | 3rd portrait of Queen Elizabeth II facing right wearing the King George IV State Diadem |
| Obverse script | Latin |
| Obverse lettering | ELIZABETH II AUSTRALIA 1991 RDM |
| Reverse description | Head of Merino Ram |
| Reverse script | Latin |
| Reverse lettering | 25th ANNIVERSARY OF DECIMAL CURRENCY ·FIFTY CENTS· |
| Edge | 12 Sided Smooth |
| Mint | |
| Mintage | 1991 - BU Specimen Cased D-Day Issue - 1991 - BU Year Set - 147 700 1991 - BU Year Set Singapore Coin Fair Issue - 200 1991 - Circulation - 4 704 400 1991 - Proof Year Set - 41 490 1991 - Proof Year Set Singapore Coin Fair Issue - 1 000 |
| Catalog ID | 2842291870 |
| Comments |
