50 years after the filght of a man into space - Yuri Alekseyevich Gagarin (April 12, 1961) -
30 years after the first flight of a Romanian in the cosmos- Dumitru-Dorin Prunariu (to May 14-22, 1981) -
30 years after the first fligt of a space shuttle - STS-1 Columbia (April 12, 1981) -
postal stationary with day cancel, occasionally cancel and Dumitru-Dorin Prunariu and Leonid Ivanovich Popov's autograph... more on www.stampland.net