Three items: DS, signed “Valentine Mott,” one page, both sides, 15.25 x 7, stamp-dated February 7, 1884. A stock certificate for 100 shares in the Oregon and Transcontinental Company, issued to Mott and signed on the reverse; vintage matte-finish photo of Max Theiler, trimmed to a size of 3 x 3, signed vertically in fountain pen; and 1953 TLS, signed “M. Theiler,” one page, dated November 4, 1953. In very good overall condition. RRAuction COA.