This certificate represents a share of 100 francs No. 1,630 of the Société Générale Althopathique, issued in Paris on 13 September 1879. "Althopathic" medicine refers to conventional medicine (allopathy), as it was opposed to the homeopathic and naturopathic movements in vogue at the time. The creation of commercial companies with a pharmaceutical and medical purpose during the 19th century is a fascinating historical phenomenon, at the crossroads of the history of medicine, finance and industry. This document, preserved with its coupons, is in appreciable condition for a 145-year-old certificate. It will interest collectors specializing in the history of medicine, 19th-century French scripophily, as well as enthusiasts of the commercial history of Paris under the Third Republic. The presence of the attached coupons enhances the documentary interest and the collecting value. This type of medical and pharmaceutical certificate is extremely underrepresented in French collections.