7 CFR § 29.2696
Key to standard grademarks
July 6, 2020
Groups
A—Wrappers.
B—Heavy Leaf.
C—Thin Leaf.
X—Lugs.
N—Nondescript.
S—Scrap.
Qualities
1—Choice.
2—Fine.
3—Good.
4—Fair.
5—Low.
Colors
L—Light brown.
F—Medium brown.
D—Dark brown.
M—Mixed or variegates.
VF—Greenish medium brown.
G—Green.