Here is a tiny 6" x 9" piece. It's called "Mann Hawks & Yves Klein Are Great Painters." It consists of pistacho nut shells and a beautiful blue acrylic (Flashe, made in France BTW) paint that is similar to Yves Klein Bleu.
I haven't yet been to the YK exhibition at the Walker Art Center but am very excited to see it soon. He has always been one of my heroes. And now I am one of his heroes. How cool is that?