cover Elmira Prison (N.Y.), orange buff cover to Richmond, Va., franked with average U.S. 3c Rose (65), tied by 'Elmira N.Y. May 23 (1865)' double circle d.s., partly clear 'Prisoner's Letter, Examined, Elmira N.Y.' large oval prison h.s. (Dietz type I), extensive non-contemporary ms. docketing at L., 'captured at Coxes Wharf May 18, 1864, released in July 1865', light cover file fold, very fine cover, Dietz $150.00