“Richland Sta[tion] Ten July 9 / Paid 10 [1861]” on cover to “Edward Stratton, Lexington, Missouri” with blue crayon “Lafayette Co[unty, Missouri].” at lower left and up the side “Opened by order of Col. Comdg. Ironton Mo.” Subject of a Kaufmann article in the July 2019 American Stamp Dealer & Collector. The cover was part of captured mail (no federal or Missouri postal markings), Richland Station was in Sumner County, Tennessee, the 10¢ rate was for a distance farther than 500 miles. The year of use must be 1861, since this area was in federal hands by July 1862 and the rest of the war. Ex Gallagher, Persson and Littlejohn. Extremely RARE ACROSS-THE-LINES EARLY USE FROM CONFEDERATE TENNESSEE TO UNION-HELD MISSOURI. $4,000.