This stamp commemorates German Titov's flight of Vostok 2. On 6 August 1961, German Titov became the second man to orbit the Earth and the First person to stay in orbit for a day. Titov's flight on board Vostok took place less than four months after the historic first human spaceflight of Yuri Gagarin.
The Soviet military attache donated this item to the museum.
This object is not on display at the National Air and Space Museum. It is either on loan or in storage.