This is a one-time only issue specifically dedicated to the annual theme of 2019: The Golden Age. The Coincard contains all three “Nordic Gold' coins from the Netherlands: 10 cents, 20 cents, and 50 cents in brilliant uncirculated qualityNordic Gold is the gold-colored copper alloy used for 50 cents, 20 cents and 10 cents. It is not only used in euro countries, but also in others. Especially in the Swedish 5 and 10-crowns for which it was originally developed, thus the Swedish name: nordiskt guld. The composition is 89% copper, 5% aluminum, 5% zinc and 1% tin. Despite its name, it does not contain gold and the color and weight are very different from pure gold.