The burl is beyond fantastic! I think it is Circassia walnut. Possibly from the root of the tree. The carver really knew his business. Notice the grain straightens out at the wrist for strength.
FYI for those that find the Loudon vs Birmingham debate interesting.
This is from a retired Westley Richards employee who I’ve communicated with for many years.. His insight to the trade on the other side of the pond, has always impressed me.
His insight on Henry Ward, maker of this incredible piece made on Basinghall St.