You know what, you are right come to think of it. I will try to find out for sure when I get the email that the cue arrived for the refinish.
That doesn't look like any tulipwood I've seen. Perhaps a burl...maybe amboyna?
Burl isn't a species. Tulipwood burl is available AFAIK. That very well may be tulipwood, I don't know. If so, it is spectacular tulipwood.