Regrettably, photography is banned inside this quite interesting museum so this is all I can show you.
This is tomb complex of Philip, the father of Alexander. Remarkable gold artifacts have been found here. While this is a remote location, it is worth a trip if you are in the area.
They have done a very creative job of trying to keep things in their original relative positions so you feel you are walking around the actual tombs.
Below are some Greek stamps from 1979 celebrating the finds.