DANVILLE PRISON, VA: pristine unsealed inner cover to W. Willoughby Esq, Alexandria Va., censored "Examined R. C. Smith, Lt. Col. Commdg.", ENTERED U.S. MAILS WITH A PAIR OF 2¢ BLACKJACKS (US #73) tied by cork cancels and "Old Point Comfort Va. Jun. 17" double-circle datestamp, (likely in error for "Jan."), couple tiny perf pulls, Very Fine;  censored by the prison commander, R. C. Smith, who is known at Danville from Oct. 1864 to Jan. 1865, illustrated in Harrison on p. 73. Tarbell correspondence. Doctor (actually his first name) Tarbell was captured by Confederate cavalry on September 21, 1864 near Winchester Va., he was taken to Libby Prison in Richmond, then transferred to Salisbury, NC, then to Danville Prison and then back to Libby again on Feb. 18, 1865 before being paroled a few days later, the major portion of the Tarbell correspondence is at the University of Michigan Library. Detailed bio accompanies. Doctor Tarbell enlisted 5-1-61 as a Sergeant in Co. A NY 32nd Infantry. He rose through the ranks to Brevet Major and was a Commissary of Subsistence. $2,000.