Great lot of 2 original Photographs 5 x 7" of Sir and Lady Alexander, discover of Penicillin along with Dr. Wesley Spink, director of civilian use of Penicillin in the USA during WWII, taken at the University of Minnesota Pharmacology Lab 5-11-1953.
Also a publication; Penicillin Merck It's Action and Uses with 20 pages including some color published in 1943.