Niue, a sovereign state in free association with New Zealand, uses two official legal tender currencies. The New Zealand Dollar is the circulation currency for daily transactions, while the government also authorises legal tender coins in the Niue Dollar currency for collector's purposes.
A number of mints issue a large variety of commemorative, bullion and collector coins under the authority of Niue. These coins are dedicated to historical or general popular culture themes not related to Niue itself. Many of them are in standard bullion sizes - typically, one ounce of silver (abbreviated as 1 oz Ag, where "Ag" comes from the Latin word for silver, Argentum). Many of these feature movie characters. Some are also in innovative shapes, such as "Chibi".
Chibi (ちび or チビ) is a Japanese slang word describing something short (a thing, an animal or a person). The term is widely used to describe a specific style of caricature where characters are drawn in an exaggerated way: small and chubby, with stubby limbs and oversized heads. Coins of this type look like cartoon characters and have their corresponding shape; they are also very thick for their size.
Star Trek - The Next Generation aired from 1987 to 1994 and revisits the idea of the previously released original series to discover new worlds and learn about alien civilisations. The new generation of Starfleet officers, under the command of Jean-Luc Picard, include First Officer Riker, the android Data, the Klingon Lieutenant Worf, and the engineer Geordi La Forge.
The mint says about this coin:
This 1oz pure silver Chibi Coin is shaped and coloured to resemble Data, with his notable yellow eyes, gold skin and wearing his gold Operations Division Starfleet uniform. Officially licensed, it is placed in an acrylic capsule for easy transporting of your precious collectible. It is then stored in a high-quality box that is surrounded by Star Trek-themed imagery. Printed on the back of the box is a Certificate of Authenticity and a serial number unique to the coin in the limited mintage of 2,000. | 
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