SCG9619 - Afghanistan 1988 – Stegosaurus “Les Animaux Préhistoriques” 20 AfsA striking 20 Afghanis commemorative stamp issued by Afghanistan in 1988, part of the Les Animaux Prhistoriques (Prehistoric Animals) series. The design features a detailed illustration of Stegosaurus, depicted with its distinctive back plates and spiked tail against a warm, textured background. Printed during a period of thematic issues popular with collectors, this stamp is prized for its vivid artwork and bilingual inscriptions in French and Dari.