4 Dollars - Elizabeth II Mameshiba

The Mameshiba series targets the Japanese collectibles market directly, drawing on the wildly popular Sanrio-adjacent character properties that dominated Japanese merchandising through the 2010s. Cook Islands has long functioned as a licensing vehicle for this kind of issue — its sovereign mint authority used almost entirely as a mechanism for producing small-format gold pieces aimed at gift and novelty buyers rather than numismatists.

At 1.03 grams of .9999 fine gold, the specification mirrors the Japanese "mame-kin" (bean gold) gift coin format that sells heavily in holiday retail channels in Tokyo and Osaka.