These One oz Australian Gold Kangaroos have been received by MintID within the Perth Mint and packaged inside of protected cards. The card incorporates a capsule space for that coin and features a 128-bit encrypted microchip. If tampered with, the microchip “dies” and renders a tampered end in the MintID https://smart-money-empire.com/product/buy-australian-kangaroo-1-oz-gold-coin/