DS as president, one page, 21 x 16, October 1, 1900. President McKinley appoints Arthur L. McCoy to the rank of “first Lieutenant in the Twenty-seventh regiment of Infantry, U. S. Volunteers.” Signed at the conclusion in black ink by McKinley and countersigned by his acting Secretary of War. Small brush and slight ink pooling to a couple letters of McKinley’s signature, a couple storage folds, light toning and a notation to top, otherwise fine condition. R&R COA.