How could a coin be graded?

Grading of circulated coins Good - A heavily worn coin with design visible, though flat in most areas. Very Good - Well worn, though design and main features are reasonably clear. Fine - The highest points of the design and lettering show some smooth wear. Fine scratches maybe seen in the field and on the design. The rim border is also smooth in some parts. Very Fine - The design and lettering is clearly defined, but some slight wear is evident on the high points of the design and rim border. A few minor scratches may be seen. Extremely Fine - Little wear is evident on the high points of design and lettering. All fine detail can be seen and a few fine scratches may be found from rough handling in modern minting processes. Some mint bloom or lustre may be seen.