These One oz Australian Gold Kangaroos ended up received by MintID with the Perth Mint and packaged inside safe cards. The cardboard provides a capsule Place for that coin and includes a 128-bit encrypted microchip. If tampered with, the microchip “dies” and renders a tampered end in the MintID system. https://smart-money-empire.com/product/buy-australian-kangaroo-1-oz-gold-coin/