That's pretty nice Clay, reminds me of the irridescense mats in the Bryce backroom (which I think are no longer there unfortunately), but different.

I'm sure I can find a reference for a dollar somewhere online - could probably make you a bunch of Bryce dollars for it?

Measure your mind's height
by the shade it casts.
Robert Browning (Paracelsus)

Fran's Freestuff

http://franontheedge.blogspot.com/

http://www.FranOnTheEdge.com