Confederacy, Camp Oglethorpe for Officers, Macon Ga. Prisoner-of-war cover with "Old Point Comfort Va. Jul. 18" double-circle datestamp and matching "Due 6" handstamp, addressed to Washington Pa., prisoner's endorsement at top, manuscript "Ex. W.H.G." examiner's marking of Capt. William H. Graves, original contents from Lt. Oliver R. McNary datelined "Macon Georgia May 29 1864", light fold and couple small stains, otherwise Fine, illustrated in the Confederate Philatelist Oct. 1861, ex Walske. Estimate  $750 - 1,000. Lt. Oliver R. McNary, a member of Co. E of the 12th Pa. Volunteers, was captured on April 20, 1864, at Plymouth N.C., taken to Andersonville Prison where he attempted to escape, then to Macon from where he did escape on July 30, was recaptured on August 17, injured during his flight and taken to Rickersville Hospital in Charleston on August 21, then to Annapolis Hospital on December 4 and finally paroled. $0 (Image)