On a yearly basis, the Perth Mint releases a gold bullion Australian Kangaroo coin in .9999 pure gold with an all-new structure around the reverse side in the coin. Its not easy to get an image of these at some angles/lighting due to way the look catches the light but https://laneuelry.robhasawiki.com/10538141/the_definitive_guide_to_kangaroo_silver_coin_price