lol, wow this was one of my first posts. The aweful thing is it was a bone bead, and it got lost during moving. I had that one for years and now as for the earlier crinoid reply, i have a few drilled out crinoids also, not naturaly falled out centers, but you can see how the drill went in. I think a indian was bored one day on a hill top and decided to make me some jewlery to find a few thousand years later