New Zealand
Elizabeth II Mint Error - Struck with Two Obverse Dies 10 Cents 1972 AU Details (Cleaned) NGC, cf. KM41.1 (for type). Just the second example of this rare double obverse mule we have handled, and only the third we can find coming to auction in the past decade.
https://coins.ha.com/itm/new-zealand/new-zealand-elizabeth-ii-mint-error-struck-with-two-obverse-dies-10-cents-1972-au-details-cleaned-ngc-/a/3082-34591.s?type=CoinArchives3082
HID02906262019
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Estimate: 300-400 USD