Rene,
It sounds like you really found a RARE Wilbur Clark's CHIP. Good for you!
When James gets back, you should ask him. I am sure he will know how Rare it is and how many are around and how much they are going for, since no one on this BB seems to know.
It won't be long now and everyone will be able to check out their CHIPS
in "The Official Casino Chip Price Guide" that James Campiglia and Steve Wells just completed.

Good Luck in finding more Rare Chips,
Sue Campiglia