This 1$00 Portuguese commemorative stamp, issued in 1963, honors the 400th anniversary of “Colóquios dos Simples e Drogas da Índia” (1563), the pioneering medical and botanical work by Garcia de Orta. The design by J.A. Manta depicts a classical apothecary jar inscribed with “1563–1963,” symbolizing Orta’s contribution to early tropical medicine and pharmacology. Produced by Casa da Moeda, the stamp blends earthy tones and elegant typography to evoke the scientific and humanistic spirit of Portugal’s Renaissance exploration period.