Fake can apply to cheating on purity as well as origin.
Here is a (rather long) text about fake buillon and coins.
http://www.fake-gold-bars.co.uk/how/how.html
(Found it while reading http://www.coinauthentication.co.uk/CCNindex.html )
Here is a (rather long) text about fake buillon and coins.
http://www.fake-gold-bars.co.uk/how/how.html
(Found it while reading http://www.coinauthentication.co.uk/CCNindex.html )