that's a AAA car parked there, funny how they used to be so active. Now? They do trip tickets. Whoppity doo (Thanks Steve!)

1928,

The purpose of the photo was to show that the concrete wall obstructed vision The writing on the door actually says "Engineering Department, Automobile Club of Southern California"

https://www.jalopyjournal.com/forum/threads/vintage-shots-from-days-gone-by.428585/page-6553