Science on stamps

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  Brazil 1956 International Geographical Congress unmounted mint, SG 937* £2.00
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  Brazil 1954 Tenth International Congress of Scientific Organisation unmounted mint, SG 881 £2.00
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  Kyrgyzstan 2000 Twentieth Century Icons - Princess Di & Einstein sheetlet of 4 (tete-beche se-tenant pair) - the set of 5 imperf progressive proofs comprising various 2-colour composites plus all 4 colours unmounted mint £90.00
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  Czech Republic 2000 World Year of Mathematics unmounted mint* £2.00
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  Angola 2000 Albert Einstein perf sheetlet containing set of 6 values unmounted mint £6.50
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  North Korea 1999 Voyage to Mars imperf proof of m/sheet with colour bars & crops in outer margins, exceptionally rare thus unmounted mint £150.00
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  St Thomas & Prince Islands 2009 Jewish Nobel Prize Winners perf s/sheet unmounted mint £8.95
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  Angola 1999 Albert Einstein souvenir sheet the set of 5 imperf progressive colour proofs comprising various colour combinations incl all 4 colours, a very scarce assembly unmounted mint £90.00
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  Angola 1999 Albert Einstein (with children) perf souvenir sheet unmounted mint £4.50
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  Angola 1999 Great People of the 20th Century - Albert Einstein (with children) perf sheetlet containing 4 values (2 tete-beche pairs with John Glenn in margin) unmounted mint £5.50
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  New Zealand 1971 Birth Centenary of Lord Rutherford (scientist) set of 2 unmounted mint, SG 970-71* £2.95
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  India 1999 Technology Day 3r unmounted mint* £2.00
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  Germany - West 1959 Death Centenary of Alexander von Humboldt (naturalist) unmounted mint SG 1226 £2.00
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  Germany - West 1966 Scientific Anniversaries (2nd series) set of 2 unmounted mint SG 1426-27* £2.95
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  Germany - West Berlin 1971 Material Testing Laboratory unmounted mint SG B412* £2.00
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  Germany - West Berlin 1971 Birth Anniversary of Hermann von Helmholz (scientist) unmounted mint SG B394 £2.00
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  Germany - West 1968 Scientific Microscope from Anniversaries set unmounted mint, SG 1453* £2.95
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  Germany - West 1966 Death Anniversary of Gottfried Leibniz (scientist & Mathematician) unmounted mint SG 1423* £2.00
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  Albania 1989 Anniversaries set of 4 (Strauss, Marie Curie, Lorca & Einstein) unmounted mint se-tenant block of 4, SG 2417-20, Mi 2398-2401 £4.50
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  France 1979 Technical School Anniversary (Gear-Wheels) photo marquette (stamp sized black & white photographic proof) of original artwork with value expressed as 0.00, as SG 2330 exceptionally rare £50.00
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  Turkmenistan 2000 Millennium souvenir sheet (Einstein & Martin Luther King) the set of 5 imperf progressive proofs comprising,various colour combinations incl all 4-colour composite unmounted mint £29.50
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  Mongolia 1974 Protection of Water & Nature Conservation Diamond shaped set of 7 unmounted mint, SG 875-81* £4.95
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  Laos 1999 Great People of the 20th Century (Albert Einstein) perf souvenir sheet unmounted mint £4.95
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  Laos 1999 Great People of the 20th Century perf sheetlet containing 9 values (Elvis, Marilyn, Sinatra, Einstein, Pope, Princess Di, Disney, Luther King & R Clemente) unmounted mint £4.75