Pedro Gruenholz

Stamps Year 1991 . Pedro Gruenholz

Jet engine, Whittle
United Kingdom
Scientific Advances: Babbage
United Kingdom
Scientific Advances: Faraday
United Kingdom
Europe in space
United Kingdom
Europe in space
United Kingdom
Nippon 91 International Philatelic Exhibition
Poland
Constitution of 1791
Poland
Relief
Greece
Shot put
Greece
Weight lifting
Greece