This commemorative stamp from São Tomé and Príncipe honors Princess Diana, one of the most beloved figures of the late 20th century. Issued in 1997, the stamp features a graceful portrait of Diana wearing a jeweled tiara and pearl necklace, reflecting her royal elegance and humanitarian legacy. Many countries released tribute issues after her passing in 1997, making these stamps popular with both royalty and modern history collectors. The warm-toned photographic design captures her iconic smile and public image. For thematic collectors focusing on royalty, world personalities, or memorial issues, this stamp is a notable addition.