Union general (1816–1870) whose most decisive victory earned him the sobriquet ‘Rock of Chickamauga.’ Ink signature, “Geo. H. Thomas, Maj Genl, U.S.A.,” on an off-white 5.5 x 2.5 lightly-lined slip. Several light and unobtrusive vertical folds, a few passing through signature, and a small spot of paper loss to the right of signature, otherwise fine condition. RR Auction COA.