Issued by the USSR (Soviet Union) in 1984, this commemorative stamp celebrates the international Venera–Halley mission conducted under the Interkosmos program. The design depicts a Soviet spacecraft exploring space alongside celestial imagery representing Venus and Halley’s Comet, highlighting multinational scientific cooperation. Countries participating in the project are listed along the margins, emphasizing global collaboration in space research. With its vivid cosmic artwork and historical significance tied to the 1986 Halley’s Comet encounter, this stamp is an important collectible for thematic space and astronomy collections. It is especially sought after by collectors specializing in Cold War–era space achievements and Interkosmos issues.