Confederate ranger whose guerrilla band specialized in attacking and disrupting Union supply lines. Mosby’s nickname, The Gray Ghost, was derived from his clandestine attack tactics. ALS signed “Jno. Mosby,” one page, 8.5 x 11, Massanetta Spring Water letterhead, July 12, 1913. Letter to a friend. In part, “I went into Harrisburg today & sent you today’s paper. I really thought - until I read Charlie Dear’s interview that I was present when the green backs were captured. Dolly leaves…next Tuesday…I am feeling fine.” In good condition, with scattered toning and soiling, tape repairs to both sides of page, some brushing to a few words of text and signature, fragile folds and light edge wear. COA John Reznikoff/PSA/DNA and R&R COA.