Chemistry on stamps

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  Madagascar 2013 Marie Curie perf deluxe sheet containing one diamond shaped value unmounted mint £8.95
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  Madagascar 2013 Marie Curie imperf sheetlet containing 4 values unmounted mint £12.50
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  Madagascar 2013 Marie Curie perf sheetlet containing 4 values unmounted mint £8.95
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  Ivory Coast 2013 Anniversaries - 180th Birth Anniversary of Alfred Nobel perf sheetlet containing 2 values unmounted mint £5.95
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  Ivory Coast 2013 Anniversaries - 180th Birth Anniversary of Alfred Nobel imperf sheetlet containing 2 values unmounted mint £8.95
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  Niger Republic 2012 International Year of Chemistry perf sheetlet containing 2 values unmounted mint £7.50
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  Sierra Leone 1995 Nobel Prize Winners IMPERF sheetlet #1 containing 9 values unmounted mint, as SG 2400a £40.00
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  Guinea - Conakry 2011 Centenary of Second Nobel Prize for Marie Curie perf sheetlet containing 6 values unmounted mint £12.50
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  Guinea - Bissau 2011 International Chemical Year perf sheetlet containing 4 values unmounted mint Michel 5303-06 £10.75
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  Guinea - Bissau 2011 International Chemical Year perf s/sheet unmounted mint Michel BL 909 £9.95
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  Togo 2011 Marie Curie perf s/sheet unmounted mint £9.25
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  Togo 2011 Marie Curie perf sheetlet containing 4 values unmounted mint £9.25
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  Mozambique 2010 Tribute to Marshall Warren Nirenberg (biochemist) perf s/sheet unmounted mint £8.65
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  Gabon 2010-12 Greatest Personalities in World History - Marie Curie large perf s/sheet unmounted mint £12.50
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  Palatine (Fantasy) Personalities - Louis Pasteur postal stationery card unused and fine £3.95
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  Palatine (Fantasy) Personalities - Marie Curie postal stationery card unused and fine £3.95
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  Mali 2012 Nobel Prize for Chemistry - Dan Shechtman perf souvenir sheet containing circular stamp unmounted mint £4.95
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  Mali 2012 Nobel Prize for Chemistry - Dan Shechtman imperf souvenir sheet containing circular stamp unmounted mint £7.50
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  Congo 2012 Marie Curie perf sheetlet containing 4 values cto used £3.95
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  Congo 2012 Marie Curie imperf sheetlet containing 4 values unmounted mint £6.75
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  Congo 2012 Marie Curie perf sheetlet containing 4 values unmounted mint £4.75
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  Mozambique 2011 Marie Curie perf s/sheet containing octagonal shaped value unmounted mint £8.60
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  Mozambique 2011 Marie Curie perf sheetlet containing four octagonal shaped values unmounted mint £9.40
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  Guinea - Conakry 2011 Centenary of Second Nobel Prize for Marie Curie perf s/sheet unmounted mint £12.50