The Biltmore Theatre would have been 87 today. This jewel of a playhouse opened March 3, 1924 with souvenir brass tickets. It was part of the Erlanger circuit and a major venue for touring Broadway shows throughout its life.
The photo here of a proscenium box is from the California State Library collection. On their website: larger view
Sadly, it was demolished in the 1964 and was a parking lot for years before a tower addition to the hotel was built in the 80s.
I recently came across some construction photos in the Los Angeles Public Library collection that I hadn't seen before. You'll find links to them (and more) on the new Biltmore Theatre page that I've started.