Pen name of William Sidney Porter. Short story writer known for his use of the surprise ending. He started writing while imprisoned for embezzlement and was already popular when he was released. ALS, one page, 5.25 x 8, July 27. O. Henry sends his thanks for a previous letter. In full, 'Your letter through McClure's has just reached me. Such an expression is always pleasing and encouraging. I thank you very much for it.' Accompanied by the original mailing envelope, addressed in his hand. In fine condition. COA John Reznikoff/PSA/DNA and RRAuction COA.
