Issued by Australia in 1990, this 80-cent stamp forms part of the Animals of the High Country definitive wildlife series highlighting native alpine fauna. The design features the Brush-tailed Rock-wallaby perched on rugged stone terrain, symbolizing adaptation to Australia’s mountainous landscapes. Finely detailed engraving-style artwork emphasizes the animal’s textured fur and natural habitat. Wildlife thematic collectors value this issue for its ecological focus and strong natural-history representation within modern Australian philately. A popular addition to fauna, marsupial, and environmental conservation collections.