The Cook Islands, a sovereign state in free association with New Zealand, uses two official legal tender currencies. The New Zealand Dollar circulates in parallel with the local Cook Islands Dollar; at the same time, the government also authorises many legal tender coins in the Cook Islands Dollar currency for collector's purposes.
Collector coins are dedicated to historical or general popular culture themes not related to the country itself. Many of them are in standard bullion sizes, including the large two ounces of silver format - such as this coin.
This coloured two-ounce silver coin was issued as part of the coin series celebrating world-famous Australian rock group AC/DC, and features the band's fifteenth album, Black Ice (2008).
AC/DC are an Australian rock band formed in Sydney in 1973 by Scottish-born brothers Malcolm and Angus Young. Although their music has been variously described as hard rock, blues rock, and heavy metal, the band themselves call it simply "rock and roll". The band's line-up varied throughout the years; it did not disband though, and issued its latest album in 2020, 47 years after it was founded.
The Mint says about the coin:
CIT is proud to issue officially licensed AC/DC coins for collectors at ANA 2018. Two silver coins reference the band's first album High Voltage and the ten year anniversary of the superb album Black Ice. The latter coin is produced in striking black proof finish with colour highlights and outstanding smartminting relief. | 
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