Thanks everyone, this oak burl just keeps on giving. Not only have I turned some nice pots from it, but I've turned over thirty bowls from it as well. I am putting a picture of me with the burl and a couple of the bowls I've turned from it.
Thanks again,
Jack
This one is a little over 13" in Dia.
This is a nested set that is over 15" in Dia.
This one is 12" tall and hollowed to around 3/16" thick from top to bottom.