This beautiful $1 postage stamp from Niuafoʻou, Tonga’s remote volcanic island, features the striking butterfly Eurema hecabe aprica, also known as the Common Grass Yellow. The design shows two butterflies in vivid yellow with delicate black wing margins, set against a soft green and blue background. Issued as part of a thematic series highlighting butterflies, this stamp combines natural history with fine artwork, appealing to both topical collectors and specialists in Pacific island issues. Its bright depiction captures the fragile beauty of butterfly species found across tropical Asia and Oceania.