Confederacy, (Colleges) Central Institute, Ala. Bold balloon type cds ties a four margin 1863 10¢ blue die A on turned cover to Shelby Springs, Ala., original use apparently free with manuscript "Shelby Springs, Ala./Aug 24 " postmark to Central Institute, "Coosa County, Ala."; open on three sides for display, Very Fine and a scarce postmark. Scott No. 11  Estimate $200 - 300. $0 (Image)