Niue 2026 $1 Mammals of Australia Red Kangaroo 1oz Silver Coloured Proof CoinWith its 'JG' privy mark, this coin is a unique and fascinating tribute to Australia's number one native icon, based on illustrations from legendary naturalist John Gould. Sure to catch the eye of animal lovers worldwide, and a must have for collectors of the Birds of Australia Silver Proof Series, it is adorned with a striking depiction of Red Kangaroos the largest kangaroo species, and biggest land dwelling mammal native to Australia.