Autograph Letter Signed ('I. I. Hayes') from the American arctic explorer Isaac Israel Hayes, providing an autograph for the stock broker and journalist John H. Gourtie.

1p., 12mo. Good, on lightly-aged paper, with minor traces of mount to blank second leaf of bifolium. Good, firm signature, with flourish. The letter reads 'Dear Sir | I have recd your favour of April last & am glad so easily to oblige you. - | Truly yours | I. I. Hayes'. Gourtie contributed stock exchange reports to the New-York American.