Major Philip Preston Johnston, CSA. He served under J.E.B. Stuart in Major John Pelham’s Horse Artillery. Born in Shiloh, Va. in 1840. After the war, he moved to Fayette County and read law under Colonel W.C.P. Breckinridge. In 1868, Johnston graduated from Transylvania University with a law degree. He served in both houses of Ky. legislature and was appointed adj. gen. during the Tobacco Wars. He bred fine trotters & Thoroughbred horses and was president of the National Trotting Association from 1888-1916. Major Johnston died in 1925.
Cover features full Lexington flag cancel along with very well centered early special delivery stamp.  Cannot determine catalog number without removing stamp to look for watermark.