Confederacy, Alexandria Va., Apr 17 1861 - Virginia Day of Secession, clear bold strike of cds ties U.S. 1857, 3¢ dull red, minor corner crease, on cover addressed to Miss. Mary F. Kagey, New Market, Shenandoah Co., Va., reverse with beautiful all-over illustrated advertising design for "Green's Mansion House" in Alexandria Va. with Stars and Stripes flying prominently on top of the building; reduced slightly at right, Extremely Fine and remarkable Virginia secession day advertising usage. Estimate  $2,000 - 3,000. This is a Virginia Secession Day usage as April 17, 1861 is the day Virginia seceded and left the Union. Alexandria Va. was under Union occupation during the entire was as it is right across the Potomac from Washington D.C. However, during this early C.S.A. period when the U.S.A. post office continued to operate within the seceded states, mail from Alexandria Va. is still classified as belonging to the Confederate period as Alexandria was not occupied by Union forces until May 24, 1861. $0 (Image)