Czech anatomist and physiologist (1787–1869) who was one of the most well-known scientists of his time. Partly-printed DS in Czech, signed “Dr. J. Purkyne,” one page, 18 x 15, August 29, 1863. Untranslated Association of Czech Physicians diploma issued to Dr. Posibal v. Ricanech. In very good condition, with scattered overall foxing and splitting along intersecting folds. Pre-certified PSA/DNA.
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