10c Blue, Die B (12).
Huge margins all around, deep rich shade and proof-like impression, tied by
well-struck "Savannah Ga. Oct. 9" circular datestamp on homemade cover to
Augusta Ga., Extremely Fine, a beautiful cover
(Image) 
10c Milky Blue, Die B
(12a). Margins close to just in, tied by blue grid, matching
"University of Va. 28 Sep." double-circle datestamp with month slug
inverted on mourning cover to military address at Richmond Va.,
fresh and Fine (Image) 
20c Green (13). Large
margins, rich color, tied by "Richmond Va. Apr. 26" circular datestamp on
cover to Lexington Va., slightly reduced at right, Very Fine, with 1991
C.S.A. certificate (Image) 
20c Green, Diagonal Half Used
as 10c (13c). Lower right half, tied by readable "Galveston Tex. Apr.
5" double-circle datestamp on yellow cover to Dixie Tex., 1865 receipt
docketing, trivial edgewearVERY FINE AND CHOICE EXAMPLE OF THE 20-CENT DIAGONAL BISECT USED LATE IN THE WAR TO MAKE UP THE 10-CENT RATE.
After the Union gained control of the Mississippi River, the Confederacy found it difficult to supply stamps to the area west of the river. Examples in such pristine condition are scarce. With 1976 P.F. certificate. (Image)
20c Green, Horizontal Half
Used as 10c (13d). Bottom half, large margins, tied by well-struck
"Alexandria Va. Jan. 26" circular datestamp on cover to St. Martinsville
La., slightly reduced, cover and stamp repaired, Very Fine appearance, with
1991 C.S.A. certificate (Image)