§ Key to standard grademarks. 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 variegated. G—Green. GL—Light green. GD—Dark green. [45 FR 44293, July 1, 1980]