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 famous movie characters.
This shaped coin is part of a long-running series by the New Zealand Mint featuring characters and themes from Harry Potter, and depicts the Hufflepuff Crest.
The Mint says about it:
Part of the Hogwarts House Crest Collection, it shows the house’s animal mascot, a badger, against a chequered black and yellow shield - representing the house colours. A scroll at the bottom is engraved with the name "Hufflepuff" in black. The silver surround has been engraved and completed with a mirrored and frosted finish for contrast.
The Ian Rank Broadley effigy of Her Majesty Queen Elizabeth II can be found on the obverse of the coin to confirm it as a legal tender, even with its unique shape and colouring. The coin has a protective acrylic case to allow for handling of this precious house token. The limited mintage of 5,000 coins is confirmed on the sleek and stylish, Harry Potter-themed rectangular case along with a Certificate of Authenticity. | 
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