Confederacy, Outgoing Blockade-Run "Burckmyer Correspondence" Blockade Cover & Letter. first-hand description of the exchange of the U.S. and C.S. Officers (the Immortal 600) that had been held as prisoners and placed under the fire of enemy shells. Written from Fort Pemberton, South Carolina, dated "July 23rd, 1864" in almost "diary-style", Burckmyer keeps adding to the letter until his last "date" on the letter is August 6th. The great portion on the exchange of prisoners is dated August 4th. Confederate Captain C. L. Burckmyer, who was stationed in Charleston; contains details of the exchange set up by General Foster… he lists who some of the famous Officers were and has much other interesting content - news from Hood's Army, the killing of Union General McPherson, Lincoln's refusing to negotiate peace terms, and some very interesting comments about Captain Semmes and the loss of the Alabama., F.-V.F. Estimate  $1,500 - 2,000. The cover itself is addressed to Mrs. C. L. Burckmyer, Liverpool, datelined "Fort Pemberton, July 23, 1864", with transit cds "15 OC 64", rate markings in blue crayon; pencil notes on reverse by blockade historian indicate Blockade Runner "Will of the Wisp" left Wilmington Sept. 18, 1864 - arrived Nassau, September 21; trunk line (Cunard) from Nassau to N.Y.; "Persia" (Cunard Line) left N.Y. Oct.5, 1864- arrived Liverpool October 15; letter with full transcription, cover with ink stains on front and backflap with piece missing. $0 (Image)