Particularly well grained pieces are also awarded between one and four stars in addition to the standard grades below.
|Grades/Finishes (from lowest to highest)|
|Coral:||a deep rustication|
|Blast:||dark stain on a sandblast|
|Tan Blast:||light stain on a sandblast|
|Black and Tan:||light stained smooth with areas of dark rustication|
|Walnut:||dark brown stain on a smooth pipe|
|Bengal||dark Orange smooth|
|Mocha||aptly named light brown smooth|
|Golden Red||very lightly stained red|
|Pristine||very lightly stained|
Additionally, size is stamped as follows:
If the shape is particularly difficult to execute it is also stamped with an 'X' (e.g. unusually paneling, a hawkbill etc.).