Catalog
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| Issuer | Perth Mint |
|---|---|
| Year | 1990-1991 |
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| Composition | Log in to see details |
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| Diameter | Log in to see details |
| Thickness | 2.7 mm |
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|---|---|
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| Reverse description | A koala is depicted in high relief clinging to and ascending a eucalyptus (gum) tree branch, its body oriented to the right with foliage visible in the upper field. The curved legend THE AUSTRALIAN KOALA arcs across the upper periphery, while 1 OZ 9995 PLATINUM runs along the right border. The designer's initials JB appear in the lower left field near the branch, and the date is inscribed prominently along the lower exergual area. |
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| Mint | Perth Mint, Perth, Australia |
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| Additional information |
Australia's platinum koala program launched in 1987, positioning the Perth Mint in direct competition with the Canadian Maple Leaf and American Eagle platinum markets before either of those countries had issued a platinum bullion coin. The one-ounce denomination was the flagship of the series, intended for institutional investors moving into platinum as a hedge during a period of significant South African supply uncertainty — Pretoria's political instability raised real concerns about the dominant source of the world's platinum.
KM#149 covers the 1990–1991 issues, during which the koala design changed annually — a deliberate strategy to encourage collector demand alongside pure bullion buying.