2018 2 oz Republic of Cameroon Landmarks at Night Series - London Eye Ultraviolet Proof Silver Coin
The 2-ounce pure silver coin is fully printed with a special ultraviolet colour.
This allows the design starting to glow when ultraviolet light shines on the coin. The different colours are very special.
The packaging is perfect for this new technology. An Ultra Violet LED lamp is inserted and shines directly on the coin.