New-York, 23 Feb 1863, cds duplexed with large circular grid cancel ties 1¢ blue (63) and 3¢ rose (65) on mourning cover to Washington D.C., prepaid the 1¢ carrier fee to the mails plus 3¢ postage, Very Fine. Estimate  $150 - 200. Envelope is addressed to Major General Ethan Allen Hitchcock (1798-1870) who, in November 1862, became the North's commissioner for the exchange of prisoners. He traveled around the country to negotiate with prison camp officials and his Confederate counterparts. The grandson of Revolutionary War general Ethan Allen, and a close personal friend of President Lincoln. He retired in 1867. $0 (Image)