Specimen jar containing counter-irritant plaster made with root of Thapsia garganica, associated with inventor Dr. Reboulleau and A. Aynyot, with advertisement for the product from the pharmacy of Ch. Le Perdriel, rue Saint-Croix-de-la-Bretonnerie 54, Paris, France, 1849 (invented)-1860s. Plaster designed as a counter irritant 1860-1869