| Issuer | Australia |
| Year | 2011 |
| Type | Non-circulating coins |
| Value | 1 Dollar |
| Currency | Dollar (1966-date) |
| Composition | Aluminium bronze |
| Weight | 13.8 g |
| Dimensions | 30.6 mm |
| Thickness | 3.1 mm |
| Shape and Technique | Round Milled |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | KM#1603 |
| 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 2011 1 DOLLAR IRB |
| Reverse description | Smiling portrait of Her Majesty Queen Elizabeth II and features a representation of her personal flag as Head of the Commonwealth of Australia. The inscriptions read, H.M. Queen Elizabeth II, 85th Birthday, and the dates 1926 - 2011. Also featured is The Perth Mint’s traditional ‘P’ mintmark. |
| Reverse script | Latin |
| Reverse lettering | H.M. QUEEN ELIZABETH II P 85th BIRTHDAY 1926-2011 E |
| Edge | Reeded |
| Mint | P Perth Mint, Australia(1899-date) |
| Mintage | 2011 P - BU in GeePex Fair PNC - 150 2011 P - BU in PNC - 14 850 |
| Catalog ID | 9042647960 |
| Comments |
