The timing was quite coincidental--I just happened to drop in for the first time today. I have a perfect one in my mind, but I don't have ready access to the photo--it is likely buried on a home computer somewhere. Anyone else may jump in--I'll start looking for it for some time in the future.
Looks like the private dining room in the tower of Carthay Circle! I was with a big group on my last visit, and we just happened to get that spot by chance. Very fancy!
Ding ding ding ding! We have a winner! I didn't sit there, but I loved the design, so I took a picture.