Collection of three signed items consisting of two short TLSs and a signed photo. The letters are both one page, both to Dr. Irwin Stone, and dated March 1981. First letter reads, in part: “I am glad to express my thanks to you for having written to me in 1966. Your letter and the reprints of your papers changed my life.” The second letter, sent three weeks later, reads, in part: “It was good of you to write to me again about your inexpensive ascorbate product, C-Salts. I have not yet gotten around to bringing it home, in order to try it out, but I shall do so. I have been adding potassium hydrogen carbonate to my ascorbic acid.” The final item is a color glossy 10.5 x 13.5 photo of Pauling and Australian pathologist Glen Dettman, signed in the large bottom border in black felt tip by both, and framed to an overall size of 14 x 17. Also included are three of Pauling’s own paperback editions of The Chemist Analyst, with notations on each cover, most likely by Pauling, identifying articles inside for Stone. In fine condition, with a uniform shade of toning to one letter from previous display. RR Auction COA.