| Issuer | Australia |
| Year | 2009 |
| Type | Non-circulating coins |
| Value | 20 Cents |
| Currency | Dollar (1966-date) |
| Composition | Copper-nickel |
| Weight | 11.31 g |
| Dimensions | 28.52 mm |
| Thickness | 2 mm |
| Shape and Technique | Round Milled |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | Obverse: Ian Rank-Broadley Reverse: Caitlin Goodall |
| In circulation to | |
| Reference(s) | KM#1075 |
| 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 2009 IRB |
| Reverse description | Three people looking through Binoculars and telescopes at the night sky |
| Reverse script | Latin |
| Reverse lettering | INTERNATIONAL YEAR OF ASTRONOMY 20 |
| Edge | Reeded |
| Mint | |
| Mintage | 2009 - BU in ANDA Brisbane Set - 1 500 2009 - BU in ANDA Melbourne Set - 1 497 2009 - BU in ANDA Sydney Set - 1 498 2009 - BU in WMF Berlin Set - 1 500 2009 - BU Year Set - 50 957 2009 - Proof 2 Coin Set - 9 599 |
| Catalog ID | 3054396180 |
| Comments |
