http://armchairgm.wikia.com/Pure_point_rating
Take a look!
The pure point financial rating for this financial institution is AAA.
Television rating point...
About as pure as you can get.
Pure
MS stands for mint state, and the rating of 60 is on a 70 point scale.
AO rating mean Adults Only
At Boiling Point all the material evaporates leaving no residue which means it is pure. But if it leaves some residue after evaporating at boiling point then it is not pure. For example : If you take an example of pure water & Saline Water then pure water will evaporate at its boiling point leaving nothing after it. But Saline water evaporates leaves salt behind it.
pure pure
melting point
It means the coin is nearly perfect condition. The rating of MS69 is on a 70 point scale.
Means the person with the A rating is trustable
what is the power rating of energy