ROCK ISLAND BARRACKS, ILL: US #65, 3¢ rose used with target and matching ROCK ISLAND / ILL double circle postmark with blue R.I. BARRACKS / PRISONERS LETTER / EXAMINED oval (Harrison type II) which was used in blue only from August 11, 1864 – February 21, 1865. Addressed to Mrs. Emma L. Newman, Point Pleasant, [West] Va. which was then in the Union.  (Mason County); top back flap missing, Ex Hedin $300.