Niue: “Mars,” third coin in ultra-high-relief Solar System series, now available

Fans of space- and astronomy-themed coins will find much to like with the latest issue from Niue Island’s Solar System coin series. Struck by the Mint of Poland for Niue, “Mars” is a domed silver coin that replicates the surface of the famous red planet, and bears a piece of meteorite NWA 7397. The original, […]