| Issuer | Australia |
| Year | 2009 |
| Type | Non-circulating coins |
| Value | 1 Dollar |
| Currency | Dollar (1966-date) |
| Composition | Aluminium bronze |
| Weight | 13.8 g |
| Dimensions | 30.2 mm |
| Thickness | 3.1 mm |
| Shape and Technique | Round Milled |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | KM#1256 |
| 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 1 DOLLAR IRB |
| Reverse description | Bust of Galileo Galilei to the left and a depiction of him looking through a telescope to the right. Stars & Planets in the background. |
| Reverse script | Latin |
| Reverse lettering | astronomers GALILEO GALILEI P EM |
| Edge | Reeded |
| Mint | P Perth Mint, Australia(1899-date) |
| Mintage | 2009 P - BU in Collector Album - 5 217 |
| Catalog ID | 6552777440 |
| Comments |
