Another Czech landmark that appears on the Czech Mint's gold mini-coin set in a replica of a historical postcard is Karlštejn Castle.

When Charles IV took over, the Czech lands were neglected and in ruins. He decided to solve the bleak situation by building churches, monasteries, baths, vineyards and a university, and to strengthen the power of the monarch, he established royal towns and royal castles throughout the country. Karlštejn castle was given a special status. This castle was originally intended to be the private representative residence of the Bohemian king and the Roman emperor, but its purpose changed over time. Charles IV decided to use it as a treasury - an impregnable fortress for the protection of royal insignia and holy relics from all over the empire. It is no wonder that the important and charming castle became a frequent subject of postcard art. "Although the first lithographic postcards from the late 19th century were published in large numbers, they are among the most valuable items in the collection," explains postcard expert Pavel Vursta.

The reverse side of the coin, which is the work of medal maker Kristýna Šánová, DiS., presents a view of the castle from the south-west. The composition is supplemented with the inscription KARLŠTEJN. As the coins of the Czech Mint are issued with the licence of a foreign issuer, which is the island of Niue, the obverse side bears its necessary attributes - the nominal value of 5 DOLLARS (NZD), the name and portrait of Queen Elizabeth II and the year of issue 2022.

An issue that will delight numismatists and philocartographers, is an original and affordable collector's piece as well as an attractive regional gift.