Wife and biographer (1842–1933) of ill-fated General George Armstrong Custer. ALS signed “Elizabeth B. Custer,” two pages on two adjoining sheets, 5 x 6.5, July 3. Letter to Robert Davis. In full: “It is so very kind of you to offer to send my husband’s book—(in case it can be found). I was very careless in not putting my copy away when I rent my apartment & go South winters—But with such a lesson as this I will try and not leave any book out of print next autumn.” In fine condition, with a central horizontal mailing fold passing through signature. RR Auction COA.