Commemorative First Day Cover (FDC) issued by the USSR Ministry of Posts and Telecommunications, celebrating the historic USA–USSR summit between President Ronald Reagan and General Secretary Mikhail Gorbachev, a key moment marking the easing of Cold War tensions and the beginning of a new phase of dialogue between the two superpowers. The cover is franked with the official Soviet commemorative stamp depicting a symbolic handshake between the United States and the Soviet Union, with the Kremlin in the background, and is cancelled with a special commemorative postmark dated 29 May 1988, applied on the occasion of the event. The item is accompanied by an original Bolaffi Collector Club certificate of authenticity, confirming its originality and historical–philatelic significance. Condition: very good to excellent, well preserved. A highly collectible piece for collectors of postal history, Cold War memorabilia, Soviet and US philately, and 20th-century political history.