Day 2.271: In Egg-splicable?

I mentioned in passing that the They Might Be Giants gig was in The Egg. Here is a picture of the outside from March for context.

Inside are two theatres and some interesting architectural features as you might imagine:

Also some curious signage.

What is a playbill? A comedy fake duck-beak? An invoice for a board game? A Monopoly dollar? If I find out I will seriously look into recycling mine.