| Issuer | Australia |
|---|---|
| Year | 1991-1992 |
| Type | Non-circulating coin |
| Value | 100 Dollars |
| Currency | Dollar (1966-date) |
| Composition | Platinum (.9995) |
| Weight | 31.1035 g |
| Diameter | 32.1 mm |
| Thickness | 2.7 mm |
| Shape | Round |
| Technique | Milled |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | KM#174 |
| Obverse description | 3rd portrait of Queen Elizabeth II facing right wearing the King George IV State Diadem |
|---|---|
| Obverse script | Latin |
| Obverse lettering | ELIZABETH II AUSTRALIA 100 DOLLARS RDM |
| Reverse description | Koala sitting facing out in crook of a gum tree. |
| Reverse script | Latin |
| Reverse lettering | THE AUSTRALIAN KOALA 1 OZ. 9995 PLATINUM JB 1992 |
| Edge | Reeded |
| Mint | |
| Mintage | 1991 P - Proof - In 5 Coin Set - 328 1992 - BU - 44 920 |
| Numisquare ID | 5341807870 |
| Comments |