This Autographed Dated November 9, 1946 4.5x6 Handwritten Note Album Page has been Personally Signed by Alexander Fleming. This item is 100% Authentic, it comes slabbed and authenticated by Beckett Authentication Services. The authenticity can be verified on Beckett Authentication Services website. Scottish physician and microbiologist known for his discovery of penicillin, for which he shared the 1945 Nobel Prize in Physiology or Medicine. The note reads in part: "When you mention the figure 1001, you seriously underestimate the number of autograph pests." A unique glimpse into autograph collecting in the past!