CSA #12-ADa, 10¢ opaline blue, 4 clear to large margins, tied on the back flaps of a cover to “Miss M A Baughman, Care Baughman Richard, Richmond, Va” with a DUBLIN / VA / JUL / 1 (1864) cds and second strike on the front, slightly reduced one end. Very fine and a beautiful example of this scarce shade!