AA/AAMiller standardFace: Hand-selected: a straight, even run, leaf by leaf.Back: Hand-selected, the same quality as the face.A/AIndustry standardFace: A grade: a sound face, with some movement in the grain.Back: A grade, the same as the face.A/1A face, 1 backFace: A grade.Back: 1 back: the same species and color as the face, with a little more movement.A/3A face, 3 backFace: A grade.Back: Mill-option backer: whatever balances the panel, on the side that will not show.