cover 10c Greenish Blue, Stone Y (2e), two singles used on separate covers, one has large margins except touched at B., small corner crease, tied by 'Richmond Va Oct 30 1863' c.d.s., other has ample to large margins, light toning spots, tied by weak partly readable 'Nashville Tenn Nov 27 1862' c.d.s., otherwise fine-very fine lot, Stone Y covers are scarce, Scott retail $1,000.00