To set the most exact grade for your coins, BNG examines 7 x 10 different points. The result of the complete review, is the final grade, with a minimum grade of 4 and a maximum grade of 70, which would represent absolute perfection and total absence of manipulation. Thus we follow the world standard grading scale to grade coins.
- Centered level (Ancient coins)
- Circulation mark
- Margins status,
- Coin Relief
- Original Brightness
When coin show any relevant warning it is shawn in our certificated coin label. Examples of usual Warnings :
- Special Year / Edition
- Strange substance
Possible Warnings will be shown on the WCG Label.