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1 Dollar - Charles III 1st Portrait - Centenary Royal Australian Corps of Signals
| Issuer | Royal Australian Mint |
|---|---|
| Year | 2025 |
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| Composition | Aluminium bronze (92% Copper, 6% Aluminium, 2% Nickel, Pad Printed) |
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|---|---|
| Obverse script | Latin |
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| Reverse script | Latin |
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| Additional information |
The Royal Australian Corps of Signals traces its formal establishment to 1925, making 2025 its centenary year. The Corps grew directly from lessons learned during the First World War, where communication failures at Gallipoli and on the Western Front exposed the catastrophic cost of inadequate signals infrastructure — a reckoning that drove the postwar case for a dedicated, permanent signals arm within the Australian Army.
The pad-printed color application is notable: the RAM has used this technique selectively since the 2010s to add chromatic detail without the cost of proof production.