Scan a segment of your chips at 600 dpi or more and when you display it on your screen, you should be able to tell.

Here is my example (satin on the left, linen on the right):

Now the close-ups:

Satin:

Linen:

It helps to have someone who knows show you in person. Then, it becomes easy. I have Jim Gagnon to thank. Thanks, Jim!!

I hope that helped.

Michael Siskin