Topical-Chemistry
Showing all 11 results
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Great Britain – United Kingdom. FDC Sc. 806-809 Centenary of the Royal Institute of Chemistry. FDC Cancellation on FDC Envelop
$1.90 -
Russia. Aleksandr Palladin – Ukrainian biochemist, professor, Soviet academician. Illustrated Envelop with special cancellation
$1.00 -
Russia. Aram Nalbandyan – Soviet Armenian physicist. Illustrated Envelop with special cancellation
$1.00 -
Russia. Nikolay Beketov – Russian physical chemist and metallurgist. Illustrated Envelop with special cancellation
$1.00 -
Russia. Nikolay Emanuel – Soviet chemist Illustrated Envelop
$1.00 -
Russia. Norair Sisakian – Soviet Armenian biochemist, academic, one of the founders of space biology. Illustrated Envelop with special cancellation
$1.00 -
Sweden. FDC Sc. 1478-1482. Nobel Prize Winners – Chemistry. FDC Cancellation on FDC Envelop
$1.90