This attractive butterfly stamp from Niuafoʻou (Tonga) features the striking Blue Moon Butterfly (Hypolimnas bolina) resting on pink blossoms. The design highlights the butterfly’s dark wings with distinctive pale patches, a characteristic feature of this widespread tropical species. Known for its beauty and ecological importance, the Blue Moon Butterfly is common across Asia and the Pacific islands. The vibrant photographic style and large $6 denomination make this a visually appealing modern issue. It is a desirable addition for collectors of butterfly, insect, and Pacific island thematic stamps.