| Issuer | Australia |
| Year | 2011 |
| Type | Non-circulating coin |
| Value | 1 Dollar |
| Currency | Dollar (1966-date) |
| Composition | Silver (.999) |
| Weight | 11.66 g |
| Dimensions | 25 mm |
| Thickness | 2.8 mm |
| Shape and Technique | Round Milled |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | KM#1504a |
| 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 IRB |
| Reverse description | The Head of the Merino Ram, which showed on Australian shilling coins (1938-1963) until Australia introduced decimal coinage. Seven pointed star to left and right, C Mintmark above right star |
| Reverse script | Latin |
| Reverse lettering | AUSTRALIA C ONE DOLLAR |
| Edge | 7 shorter smooth segments between 7 reeded segments (11 grooves |
| Mint | C Royal Australian Mint, Canberra,Australia (1965-date) |
| Mintage | 2011 C - Proof Cased - 9 038 |
| Catalog ID | 1180030640 |
| Comments |
