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 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 - such as a tenth ounce of gold (abbreviated as 1/10 oz Au, where "Au" comes from the Latin word for gold, Aurum).
This coin is part of the four coin Lords of Žerotín noble family set by the Czech Mint and is dedicated to Charles the Elder of Žerotín.
The Mint says about it:
This set of four gold coins is about to the Lords of Žerotín, an ancient family who lived in Moravia and whose members are noted for their level of education, intellect and power.
Charles the Elder of Žerotín (1564-1636), a prominent politician, writer and representative of Moravian Provincial patriotism, is famous for his art work "Apology and the defense to Mr. Jiřík of Hodice" - a book written with a magnificent language and in the form of a letter. In the book Charles blamed Jiřík of inaction that caused the decline of the professional bodies, as well as the pride, laziness and greed of the former nobility. | 
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