This exquisite 4 Francs Belgian stamp showcases the Bluethroat (Luscinia svecica), a striking songbird known for its vivid blue throat and red-banded chest. Issued by Belgium (Belgique-België), the design beautifully captures the bird in its natural marshland habitat, holding an insect in its beak. The inscription “Gorge-Bleue / Blauwborstje” appears along the margin, emphasizing Belgium’s bilingual tradition. A fine example of Belgium’s ornithological philately, it appeals strongly to bird and nature collectors alike.