Stamps with the theme Chemistry & Chemists

Main product: lcn0409 Country: Cameroon Year: 1964 Nr. Yvert: 380 Nr. Michel: 409

Main product: lne0305 Country: Netherlands Year: 1938 Nr. Michel: 313 Nr. Other: 305

Main product: lsq3290 Country: Russia, Soviet Union Year: 1966 Nr. Michel: 3290

Main product: sag0752 Country: Algeria Year: 1980 Nr. Yvert: 713 Nr. Michel: 752

Main product: sbe1655 Country: Belgium Year: 1971 Nr. Yvert: 1603/04 Nr. Michel: 1655/56

Main product: sbr0637 Country: Germany, Berlin Year: 1981 Nr. Fsc: 28101 Nr. Scott: 9N461 Nr. Yvert: 598 Nr. Michel: 637

Main product: sbr0494 Country: Germany, Berlin Year: 1975 Nr. Fsc: 27506 Nr. Yvert: 458/1 Nr. Michel: 494/07

Main product: sbr0163 Country: Germany, Berlin Year: 1957 Nr. Fsc: 25703 Nr. Yvert: 144/1 Nr. Michel: 163/72

Main product: sbz1771 Country: Brazil Year: 1980 Nr. Yvert: 1427/31 Nr. Michel: 1771/75

Main product: sca0477 Country: Canada Year: 1971 Nr. Yvert: 455 Nr. Michel: 477

Main product: sca0309 Country: Canada Year: 1956 Nr. Yvert: 289/0 Nr. Michel: 309/0

Main product: sca0476 Country: Canada Year: 1971 Nr. Yvert: 454 Nr. Michel: 476

Main product: scf0110 Country: Congo Republic Year: 1966 Nr. Fsc: 26618 Nr. Yvert: 198 Nr. Michel: 110

Main product: scj0017 Country: Central Africa Year: 1961 Nr. Yvert: 13 Nr. Michel: 17

Main product: scl0877 Country: Chile Year: 1977 Nr. Yvert: 488 Nr. Michel: 877

Main product: sdd0626 Country: Germany, DDR Year: 1958 Nr. Fsc: 25806 Nr. Michel: 626/27

Main product: sdd2123 Country: Germany, DDR Year: 1976 Nr. Fsc: 27609 Nr. Yvert: 1801/2 Nr. Michel: 2123/4

Main product: sdd2336 Country: Germany, DDR Year: 1978 Nr. Fsc: 27814 Nr. Yvert: 2005/1 Nr. Michel: 2336/2

Main product: sdd2492 Country: Germany, DDR Year: 1980 Nr. Fsc: 28005 Nr. Michel: 2492/97

Main product: sdd2161 Country: Germany, DDR Year: 1976 Nr. Fsc: 27618 Nr. Yvert: 1837/8 Nr. Michel: 2161/2