Chemistry on stamps

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  Great Britain 1978 Energy Resources unmounted mint set of 4, SG 1050-53 £2.95
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  Great Britain 1977 Royal Institute of Chemistry Centenary unmounted mint set of 4 SG 1029-32 £2.95
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  Russia 1965 Congress of Pure & Applied Chemistry, unmounted mint SG 3147, Mi 3079* £2.00
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  Transkei 1982 Celebrities of Medicine #1 set of 4 unmounted mint, SG 108-11 £2.95
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  South Africa 1981 National Cancer Association unmounted mint, SG 497* £2.00
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  Brazil 1992 National Industrial Training Service unmounted mint SG,2552* £2.00
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  Guinea - Conakry 1983 Centenary of Discovery of Tubercle Bacillus set of 7, SG 1089-95 £9.50
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  Germany - West 1953 150th Birth Anniversary of Liebig (Chemist) unmounted mint SG 1092 £30.00
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  Nigeria 1962 Lagos Conference - original hand-painted artwork (unaccepted) essay for 1s3d value showing Microscope & Map of Africa (probably by M Shamir) 5"x7.5" £185.00
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  Afghanistan 1964 Laboritory Technicians (UN) 4aps imperf miniature sheet, unmounted mint £6.95