Obverse: | Queen Elizabeth II - Design by Ian Rank-Broadley.
Legend: ELIZABETH. II. AUSTRALIA 100 DOLLARS |
|
Reverse: | Koala with Wattle Branch - Design by Sarah Langridge.
Legend: THE AUSTRALIAN KOALA 1OZ. .9995 PLATINUM - 1999 |
| Edge: | Reeded - continuous mill. |
| Weight: | 31.185 grams. |
| Size: | 32.10 mm (diameter) 2.70 mm (thickness). |
| Composition: | .9995 Fine Platinum. |
| Platinum Content: | 1.00 oz. |
| Mintage: | Perth: Not released individually. |
| Mintmarks: | P100 below Koala on reverse. |