Polish-born French physicist (1867–1934), she and her husband Pierre discovered two new elements, polonium and radium, in 1898. In 1911 she won the Nobel Prize for Chemistry. She died of leukemia brought about by her work with radioactive material. Partly-printed DS, in French, signed “M. Curie,” one page, 8 x 11.5, December 18, 1923. Untranslated certificate from Curie's laboratory at the Institut du Radium, specifying the radioactive radium content in a given substance. In fine condition.Format: DS