1 Dollar - Elizabeth II Double Eagle

The "Double Eagle" branding here refers to the coin's lenticular or domed planchet technology, not any relation to the American gold series of the same name — a marketing decision that has caused predictable confusion among newer collectors. Cook Islands has operated as a prolific novelty mint program for decades, issuing legal tender denominations that circulate nowhere but sell internationally as collectibles, with the New Zealand government handling its actual monetary affairs.