Confederacy, Immortal "Confederate 50" - U.S.S. Dragoon, lemon cover with manuscript endorsement "T.E. Upshaw, Major, Prisoner of War" addressed to "University of Virginia, Near Charlottesville, Va.", small blue manuscript "x" at top right corner for Examined marking, cover exchanged in Charleston with "Charleston, S.C./Jul. 13, 1864" cds and manuscript "Due" with large handstamped "10" rate, included is transcript of original letter (not included) datelined "On Bd. Prison Ship, Off Hilton Head, S.C., July 7, 1864", part of the text reads, "Have been sent here with 49 other Officers of the Confederate States Army as Hostages for Safety of certain Federal Officers held by Maj. Gen. Sam Jones in Charleston, S.C., supposed to be in Danger.", flap torn, Extremely Fine. Estimate  $2,000 - 3,000. A RARE AND HISTORIC PRISONER OF WAR COVER OF WHICH ONLY FIVE EXAMPLES ARE RECORDED BY HARRISON. This is one of the very few covers from the original "Confederate 50 Officers" who were taken from Fort Delaware to be placed under fire at Morris Island. This was done in retaliation for the fifty Union Officers confined at Charleston under fire. The Confederate Officers were on board the Prison ship "U.S.S. Dragoon" from June 29 - August 2, 1864. All 50 were exchanged before ever being placed under fire on Morris Island. . $0 (Image)