| Issuer | Australia |
| Year | 2021 |
| Type | Non-circulating coin |
| Value | 1 Dollar |
| Currency | Dollar (1966-date) |
| Composition | Aluminium bronze (92% Copper, 6% Aluminium, 2% Nickel, Pad Printed) |
| Weight | 9 g |
| Dimensions | 25 mm |
| Thickness | 2.5 mm |
| Shape and Technique | Round Milled, Colored |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) |
| Obverse description | 6th crowned portrait of HM Queen Elizabeth II facing right, wearing the George IV State Diadem and the Victorian Coronation Necklace. |
| Obverse script | Latin |
| Obverse lettering | ELIZABETH II AUSTRALIA 2021 JC |
| Reverse description | A colored version of a school of fish swimming in and around Great Barrier Reef coral. |
| Reverse script | Latin |
| Reverse lettering | G GREAT BARRIER REEF ONE DOLLAR |
| Edge | 7 shorter smooth segments between 7 reeded segments (11 grooves |
| Mint | |
| Mintage | 2021 - BU in 26 Coin Tube (Random) - 17 500 2021 - BU in Dual Coin PNC - 500 2021 - BU in Single Coin PNC - 2 500 |
| Catalog ID | 5356234450 |
| Comments |
