CSA 12, 10¢ blue (4 margins) tied light blue COLUMBIA / S.C. CDS to Mrs. I.D. Witherspoon, Yorkville, So. Ca., on cover fashioned from unused sheet of Charleston bank checks. She was the wife of Lieut. Isaac Donnom Witherspoon (1833-1901) who served in Co. A., 12th South Carolina Infantry, Army of Northern Virginia. Ex Oswald. $180.