DS, one page, 8.5 x 14, June 14, 1880. Expense voucher, signed as Treasurer of the American Museum of Natural History, for pay to the museum's employees. Signed twice by Morgan, once attesting that the costs listed are justified and again at the bottom acknowledging the receipt of the amount due. Three smaller sheets are stapled to the front itemizing the payroll for the month of March. In very good condition, with several other signatures, notations and stamps, scattered light toning and soiling and some minor edge wear. COA John Reznikoff/University Archives and RRAuction COA.