Great that we are seeing innovative security features on rounds and coins. The Niue Mint Guard is changing the way the world buys bullion. By incorporating a latent image in to the die of the new Scottsdale CoinBar, Scottsdale Mint have added a security feature that anyone can easily verify without the use of additional materials or machines. The Sunshine round While not visible to the naked eye, when viewed through a unique decoding lens, the security features become visible. The RCM laser etched maple maple leaf micro-engraved with laser technology (bottom right) And the Perth Mint 2013 Kookaburra with the ultimate in security. A design so ugly no self respecting counterfeit artist could help but include enhancements. Add your finds below.