| Issuer | Australia |
| Year | 2010 |
| Type | Commemorative circulation 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#1525 |
| Obverse description | 4th portrait of Queen Elizabeth II facing right wearing the Girls of Great Britain and Ireland Tiara |
| Obverse script | Latin |
| Obverse lettering | ELIZABETH II AUSTRALIA 2010 IRB |
| Reverse description | A map of Australia made of ribbons with proud Australians young and old banded together by these ribbons |
| Reverse script | Latin |
| Reverse lettering | ·CELEBRATE WHAT`S GREAT· 50 VG ·AUSTRALIA DAY· |
| Edge | 12 Sided Smooth |
| Mint | |
| Mintage | 2010 - BU (Issued with Silver Coin) - 10 000 2010 - BU in Rolls (Included in Circ Mintage) - 2010 - Circulation - 11 452 000 |
| Catalog ID | 8717249640 |
| Comments |
