Impossible evaluations ​​​​​​​

Often there are evaluations of a coin that do not respect its state of conservation.
That is, an ugly coin, for example, would seem to have a greater value than the same coin in better preservation..
The system should automatically prevent these things by maybe reversing the values ​​or recalculating the values ​​so that the evaluations are more truthful.
Here is an example:

This is on to do list already.