Have you guys ever heard of this website for silver/gold?

There is an ad on craigslist that is offering Pandas at $40 and other coins that usually have a premium at melt or below melt.
It is almost on there daily
Have any of you guys heard of them?
http://www.instantbullion.com/
It is almost on there daily
Have any of you guys heard of them?
http://www.instantbullion.com/