CSA 7-R SINGLE, 5¢ dark blue tied RICHMOND VA APR 7 (1863) on commercially-made cover to Henry J. Haynesworth, Petersburg, Va. On July 1, 1862, postal rates increased to a universal 10¢ regardless of distance. The vast majority of covers are franked with pairs. This scarce cover is UNDERPAID by 5¢. Ex Ralph Swap. $400.