Scottish essayist, novelist, and poet. Well-known for his adventure stories Kidnapped and Treasure Island, and for the startling tale of Dr. Jekyll and Mr. Hyde. Crisply-penned partial ALS, one page, 4.5 x 3, no date. The conclusion of a letter to an unidentified recipient. In full, “Stevenson or not, and in the general wild scurry, take the liberty to leave it open. A thousand thanks.” Double matted with a portrait of the author and a small name plaque, to an overall size of 14.5 x 11. In fine condition, with intersecting folds and a couple of vertical creases. A scarce and desirable literary autograph. Auction LOA John Reznikoff/PSA/DNA and R&R COA.