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20 Cents - Elizabeth II 2nd portrait - Planchet Error
| Issuer | Reserve Bank of New Zealand |
|---|---|
| Year | 1967-1985 |
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| Composition | Log in to see details |
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| Engraver(s) | Arnold Machin |
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| Obverse description | Log in to see details |
|---|---|
| Obverse script | Latin |
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| Reverse description | A detailed depiction of a kiwi (Apteryx) striding to the left, its finely engraved feathering rendered in careful relief, with two stylised fern fronds flanking the bird in the upper field. The numeral 20 appears in the lower field below the bird, serving as the denomination indicator. The design occupies the full field of the flan, and the planchet error is evident in the distorted, irregular coin blank upon which the design has been struck. |
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| Additional information |
New Zealand's decimal coinage launched on 10 July 1967, replacing the pound system at a rate of two dollars to the pound. The 20-cent piece was struck in cupro-nickel throughout its run — which makes a copper survivor particularly notable. Planchet errors of this kind occur when a blank intended for a different denomination, or sourced from a contaminated batch, passes through quality control undetected and is struck with the wrong dies.
The Royal Australian Mint in Canberra handled a portion of New Zealand's coinage production during this period, complicating attribution of where a given error originated.