First British astronaut in Space Helen Sharman signed Astronomy FDC

1990 Astronomy FDC signed by Helen Sharman who became the first Briton in space and the first woman to visit the Mir space station

Helen Patricia Sharman, CMG, OBE, HonFRSC (born 30 May 1963) is a British chemist who became the first British astronaut and the first woman to visit the Mir space station in 1991