These One oz Australian Gold Kangaroos have been been given by MintID in the Perth Mint and packaged inside protected playing cards. The cardboard has a capsule Place to the coin and includes a 128-bit encrypted microchip. If tampered with, the microchip “dies” and renders a tampered cause the MintID https://smart-money-empire.com/product/buy-australian-kangaroo-1-oz-gold-coin/