cover Prisoner of War covers, two covers, one to Ky. franked with U.S. 3c Rose (65), Fort Delaware prison oval h.s., cover somewhat reduced and soiled, other is 'flag of truce' prisoner of war outer envelope to N.Y. also franked with U.S. 3c Rose (65), tied by Old Point Comfort, Va. c.d.s., slightly reduced at R., otherwise fine