The Gold Kangaroo is a favorite item among collectors and investors worldwide. At first, the reverse of these coins depicted an Australian Gold nugget. In 1989, the design changed and instead featured a more widely recognized symbol of Australia: the kangaroo one of the most recognizable and cherished symbols of the Australian outback where goldhas been mined in commercial quantities since 1851. Being legal tender under the Currency Act of 1965, these coins are guaranteed by the Government of Australia.