1.5

good -

g-

2.0

good

g

Z 3

2.5

good +

g+

3.0

good - very good

g-vg

3.5

very good -

vg-

4.0

very good

vg

Z 2 / 2-3

4.5

very good +

vg+

6.0

fine

fn

Z 1-2

8.0

very fine

vfn

Z 1-

9.0

very fine - near mint

vfn-nm

Z 1

9.4

near mint

nm

Z 0-1