Swiss chemist (1906–2008) best known for the discovery of LSD. Original signed and inscribed ballpoint sketch of the chemical structure of LSD on a white 5.75 x 4 card, signed and inscribed “Fur Doris Gruber, A Hoffman.” In fine condition. RRAuction COA.
We use cookies on this site to improve your experience. By using this site, you accept our use of cookies. To learn more, please see our Privacy Policy.