Science on stamps

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  France 1924 Louis Pasteur 20c green unmounted mint, SG 396b £2.50
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  France 1924 Louis Pasteur 15c green unmounted mint, SG 396a £2.00
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  France 1924 Louis Pasteur 50c blue unmounted mint, SG 399 £4.00
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  France 1924 Louis Pasteur 1f blue unmounted mint, SG 400b £14.00
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  Congo 2015 110th Death Anniversary of Jules Verne perf deluxe sheet containing one triangular stamp unmounted mint £5.50
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  Congo 2015 110th Death Anniversary of Jules Verne imperf deluxe sheet containing one triangular stamp unmounted mint £8.50
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  Congo 2015 Albert Einstein perf deluxe sheet containing one triangular value unmounted mint £5.75
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  French Southern & Antarctic Territories 1963 International Quiet Sun Year 20f unmounted mint SG 36 £37.50
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  French Southern & Antarctic Territories 1963 International Quiet Sun Year 100f unmounted mint SG 37 £60.00
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  French Southern & Antarctic Territories 1962-72 Research Pylon 25f unmounted mint SG 33 £12.50
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  Germany - West 1953 50th Anniversary of Science Museum 10pf + 5pf unmounted mint SG 1089 £20.00
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  Chad 2014 Scientists #3 imperf sheetlet containing two hexagonal-shaped values unmounted mint £7.50
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  Chad 2014 Scientists #3 perf sheetlet containing two hexagonal-shaped values unmounted mint £4.75
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  Chad 2014 Scientists #1 imperf sheetlet containing two hexagonal-shaped values unmounted mint £7.50
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  Chad 2014 Scientists #1 perf sheetlet containing two hexagonal-shaped values unmounted mint £4.75
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  Chad 2014 Scientists #2 imperf sheetlet containing two hexagonal-shaped values unmounted mint £7.50
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  Chad 2014 Scientists #2 perf sheetlet containing two hexagonal-shaped values unmounted mint £4.75
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  Mali 2014 Nobel Prize for Physics (2013) - Francois Englert imperf s/sheet containing one circular value unmounted mint £8.75
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  Mali 2014 Nobel Prize for Physics (2013) - Francois Englert perf s/sheet containing one circular value unmounted mint £6.75
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  Mali 2014 Nobel Prize for Physics (2013) - Peter W Higgs imperf s/sheet containing one circular value unmounted mint £8.75
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  Mali 2014 Nobel Prize for Physics (2013) - Peter W Higgs perf s/sheet containing one circular value unmounted mint £6.75
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  Ivory Coast 2013 Space Stations - International Space Station (ISS) perf m/sheet containing triangular value unmounted mint £7.50
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  Ivory Coast 2013 Space Stations - Saliout-1 imperf m/sheet containing triangular value unmounted mint £9.50
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  Ivory Coast 2013 Space Stations - International Space Station (ISS) imperf m/sheet containing triangular value unmounted mint £9.50