Board grade?

[Mechanic688]

Kind of a guessing game, but it depends on gold pins or fingers, the more the better. Also if the board is packed with IC chips raises the rating. Here's an example of a mid-grade;

A midgrade board is green on both sides and has some ic chips mounted to it but also have heavy items on it as well, such as heat sinks, transformers, large capacitors and other non-precious components.