All items (64)
A
- File:Andorra-Spanish 1994 EUROPA - Discoveries and Inventions a.jpg
- File:Andorra-Spanish 1994 EUROPA - Discoveries and Inventions FDCa.jpg
- File:Andorra-Spanish 1994 EUROPA - Discoveries and Inventions FDCb.jpg
- File:Andorra-Spanish 1994 EUROPA - Discoveries and Inventions FDCc.jpg
- File:Austria 1954 Surtax for Social Welfare b.jpg
B
- Brazil 2018 Brazilian Scientists
- File:Brazil 2018 Brazilian Scientists a.jpg
- File:Brazil 2018 Brazilian Scientists b.jpg
- File:Brazil 2018 Brazilian Scientists c.jpg
- File:Brazil 2018 Brazilian Scientists FOLa.jpg
- File:Brazil 2018 Brazilian Scientists PMa.jpg
- File:Brazil 2018 Brazilian Scientists PMb.jpg
- File:Brazil 2018 Brazilian Scientists PMc.jpg
- File:Brazil 2018 Brazilian Scientists SHTa.jpg
C
- China (People's Republic) 1990 Modern Chinese Scientists
- File:China (People's Republic) 1990 Modern Chinese Scientists a.jpg
- File:China (People's Republic) 1990 Modern Chinese Scientists b.jpg
- File:China (People's Republic) 1990 Modern Chinese Scientists c.jpg
- File:China (People's Republic) 1990 Modern Chinese Scientists d.jpg
- File:China (People's Republic) 1990 Modern Chinese Scientists FDCa.jpg
- File:China (People's Republic) 1990 Modern Chinese Scientists FDCb.jpg
- File:China (People's Republic) 1990 Modern Chinese Scientists FOLa.jpg
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F
G
P
- Poland 2021 Michał Jankowski
- File:Poland 2021 Michał Jankowski FDCa.jpg
- File:Poland 2021 Michał Jankowski PMa.jpg
- File:Portugal 1956 Birth Centenary of Ferreira da Silva a.jpg
- File:Portugal 1956 Birth Centenary of Ferreira da Silva b.jpg
- Portugal 1966 Portuguese Scientists
- File:Portugal 1966 Portuguese Scientists a.jpg
- File:Portugal 1966 Portuguese Scientists b.jpg
- File:Portugal 1966 Portuguese Scientists c.jpg
- File:Portugal 1966 Portuguese Scientists d.jpg
- File:Portugal 1966 Portuguese Scientists e.jpg
- File:Portugal 1966 Portuguese Scientists f.jpg
- File:Portugal 1966 Portuguese Scientists FDCb.jpg
- File:Portugal 1966 Portuguese Scientists g.jpg
- File:Portugal 1966 Portuguese Scientists h.jpg
- File:Portugal 1966 Portuguese Scientists i.jpg
- File:Portugal 1966 Portuguese Scientists PM Funchal.jpg
- File:Portugal 1966 Portuguese Scientists PM Lisboa.jpg
- File:Portugal 1966 Portuguese Scientists PTMd.jpg
S
- File:Soviet Union (USSR) 1925 30th Anniversary of Invention of Radio by Alexander Popov a.jpg
- File:Soviet Union (USSR) 1925 30th Anniversary of Invention of Radio by Alexander Popov b.jpg
- File:Soviet Union (USSR) 1947 Nikolai E. Zhukovski a.jpg
- File:Soviet Union (USSR) 1947 Nikolai E. Zhukovski b.jpg
U
- United States of America 1940 Famous Americans - Scientists
- File:United States of America 1940 Famous Americans - Scientists a.jpg
- File:United States of America 1940 Famous Americans - Scientists b.jpg
- File:United States of America 1940 Famous Americans - Scientists c.jpg
- File:United States of America 1940 Famous Americans - Scientists d.jpg
- File:United States of America 1940 Famous Americans - Scientists e.jpg
- File:United States of America 1979 Centennial of the Birth of Albert Einstein a.jpg