ALS, one page both sides, 4.5 x 7, Gray Gables letterhead, October 8, 1899. Letter of thanks to C. H. Kavanaugh. In part: “I am delighted to know that I am to have some of the underwear from your establishment to aid me in withstanding the next New Jersey winter. The sample you sent is undoubtedly awaiting me at Princeton. I shall return to my home in a few days and will promptly write you concerning what if any changes are necessary.” Accompanied by the original mailing envelope, addressed in Cleveland’s hand. In fine condition. Pre-certified John Reznikoff/PSA/DNA and RRAuction COA.