Chemistry on stamps

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  Guinea - Bissau 2009 Nobel Prize Winners for 1912 perf sheetlet containing 6 values unmounted mint Yv 3049-54 £11.75
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  Guinea - Bissau 2009 Nobel Prize Winners for 1910 perf sheetlet containing 5 values unmounted mint Yv 3038-42 £10.75
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  Guinea - Bissau 2009 Nobel Prize Winners for 1911 perf sheetlet containing 6 values unmounted mint Yv 3043-48 £11.75
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  Guinea - Bissau 2009 Nobel Prize Winners for 1909 perf sheetlet containing 6 values unmounted mint Yv 3032-37 £11.75
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  Guinea - Bissau 2009 Nobel Prize Winners for 1908 perf sheetlet containing 6 values unmounted mint Yv 3026-31 £11.75
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  Guinea - Bissau 2009 Nobel Prize Winners for 1907 perf sheetlet containing 5 values unmounted mint Yv 3021-25 £10.75
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  Guinea - Bissau 2009 Nobel Prize Winners for 1905 perf sheetlet containing 5 values unmounted mint Yv 2956-69, Mi 4253-57 £10.75
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  Guinea - Bissau 2009 Nobel Prize Winners for 1906 perf sheetlet containing 5 values unmounted mint Yv 2970-75, Mi 4242-47 £10.75
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  Guinea - Bissau 2009 Nobel Prize Winners for 1903 perf sheetlet containing 6 values unmounted mint Yv 2954-59, Mi 4230-35 £10.75
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  Guinea - Bissau 2009 Nobel Prize Winners for 1904 perf sheetlet containing 5 values unmounted mint Yv 2960-64, Mi 4248-52 £10.75
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  Guinea - Bissau 2009 Nobel Prize Winners for 1902 perf sheetlet containing 6 values unmounted mint Yv 2948-53, Mi 4236-41 £10.75
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  Guinea - Bissau 2009 Nobel Prize Winners for 1901 perf sheetlet containing 6 values unmounted mint Yv 2942-47, Mi 4224-20 £10.75
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  Tristan da Cunha 1987 50th Anniversary of Norwegian Scientific Expedition perf set of 4 unmounted mint, SG 434-37* £4.95
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  Postmark - Great Britain 1977 card bearing special cancellation for Royal Institute of Chemistry Annual Conference £3.95
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  Postmark - Great Britain 1979 cover bearing illustrated slogan cancellation for Open Day, Chemistry Dept, Birmingham University £3.95
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  Postmark - Great Britain 1966 cover bearing illustrated slogan cancellation for Muscular Dystrophy Week £3.95
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  Postmark - Great Britain 1974 card bearing illustrated cancellation for Priestley Bicentenary Meeting Discovery of Oxygen £3.95
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  Sweden 1997 Nobel Prize booklet pane containing two sets of 2 values unmounted mint, SG 1947a £4.50
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  Russia 1965 Congress of Pure & Applied Chemistry, fine used SG 3147, Mi 3079* £2.00
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  Germany - East 1984 Centenary of Jena Glass (Dr Schott) unmounted mint SG E2560 £2.00
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  Belgium 1966 European Chemical Plant 6f unmounted mint, SG 1974 £2.00
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  Falkland Islands 1982 150th Anniversary of Darwin's Voyage perf set of 4 unmounted mint, SG 422-25 £2.95
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  United States 1983 Joseph Priestly (discover of Oxygen) 20c on illustrated cover with first day cancel, SG 2026 £3.95
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  Ghana 1968 Cocoa research perf set of 4 unmounted mint, SG 501-504 £2.95