| Issuer | Australia |
| Year | 2021 |
| Type | Non-circulating coin |
| Value | 1 Dollar |
| Currency | Dollar (1966-date) |
| Composition | Silver (.9999) (Pad Printed) |
| Weight | 31.10735 g |
| Dimensions | 40.6 mm |
| Thickness | 3.5 mm |
| Shape and Technique | Round Milled, Colored |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | KM#4136 |
| 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 JC 1oz 9999 Ag 2021 1 DOLLAR |
| Reverse description | A birthday cake made with birthday wishes words, stacked upon each other, topped by 5 candles. |
| Reverse script | Latin |
| Reverse lettering | BALLONS LOVE DREAM GIFTS JOY P ENJOY HAPPY BIRTHDAY EAT WISHES FUN PARTY CHEER CELEBRATE! LAUGH JM |
| Edge | Reeded |
| Mint | P Perth Mint, Australia(1899-date) |
| Mintage | 2021 P - Proof - |
| Catalog ID | 6577204470 |
| Comments |
