Son of the founder of the Pinkerton National Detective Agency (1846-1923) who himself headed the company following his father's death. TLS signed “Wm. A. Pinkerton,” one page, 7.5 x 9.5, Pinkerton's National Detective Agency letterhead, November 19, 1901. Letter to Max Hirsch of the Grand Opera House, in full: "As I explained to you at lunch I am very anxious to get three seats for a particular friend of mine who is Treasurer of the Pacific Coast S. S. Co. and just got in town from Seattle. If you can accommodate me by letting bearer have three seats he will gladly pay for the same and you will be conferring a great favor on." In very good to fine condition, with trimmed edges, small pieces of old tape at the top, and light show-through from old mounting remnants on the reverse.
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