Graduation System

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)
  • Soiling
  • Smudge
  • 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
  • Stamped
  • Proof
  • Cleaned
  • Discoloration
  • Strange substance

Possible Warnings will be shown on the WCG Label.