| Issuer | Australia |
| Year | 2001 |
| 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#491.1, Schön#600.1 |
| 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 2001 IRB |
| Reverse description | Australian Coat of Arms consisting of a shield depicting the emblems of the six Australian States. Aside the shield are a Red Kangaroo and Emu. Above the shield is a seven pointed star on a wreath, each point representing the 6 States and one for the Territories. Below are sprays of Golden Wattle and `Australia` in a scroll. |
| Reverse script | Latin |
| Reverse lettering | AUSTRALIA 50 |
| Edge | 12 Sided Smooth |
| Mint | |
| Mintage | 2001 - BU in 20 Coin Federation Collection - 21 040 2001 - BU Koala Baby Year Set - 32 494 2001 - BU Year Set - 90 822 2001 - Circulation - 43 149 600 |
| Catalog ID | 3525161430 |
| Comments |
