SCAMMELL, ALEXANDER. (1746-1781, Adjutant General of the American Army and member of Washington's military family; commanded a regiment at seige of Yorktown). ALS; 2 1/2 pages. To "the best of Mothers", dated Camp Middle Brook, Jan. 3rd, 1779. Personal letter with reference to camp life. Double-sided frame with engraving of Scammel. Estimate $300-400