I personally would not buy art silk as it does not hold up like real silk. The problem is that it is almost impossible to tell the difference by eye. There is a burn test, but that is not good for obvious reasons (you have to burn some of the rug!!)
NIce answer given by you i like it alot as people always not give the honest answers. They just try to make the posts but here you have given your honest experience thanks alot for sharing with us.