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25 Dollars - Elizabeth II 3rd Portrait - Koala - Platinum
| Issuer | Perth Mint |
|---|---|
| Year | 1997-1998 |
| Type | Non-circulating coin |
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| Obverse description | Log in to see details |
|---|---|
| Obverse script | Latin |
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| Reverse script | Latin |
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| Additional information |
Australia's platinum koala series, launched in 1987, was among the first government-issued platinum bullion programs in the world, competing directly with the Soviet Union's Palladium Ballerina and the Isle of Man's platinum cat issues for the attention of early precious-metals investors. The Perth Mint rotates the koala design annually, which means no two years within a series share an identical reverse — a deliberate sales strategy that transformed what might have been a straightforward bullion coin into a collector-driven annual release.
The third portrait of Elizabeth II, sculpted by Raphael Maklouf, was phased out across Australian coinage during 1998 in favor of Ian Rank-Broadley's effigy — making the 1998 date a transitional issue for this denomination.