World's Largest Bandshell and Open-Air Theater, Fla

The back reads-

The majestic structure, built of beautiful coquina shell-rock, towers the Atlantic Ocean, the world's most famous beach, and borders the concrete boardwalk.
It stands at the head of the Beach Course on which all straightaway auto speed records were established from the dawn of the Automotive Era until 1937.
Late model sound devices are used for staging and broadcasting musical, dramatic, and other entertaining programs during both winter and summer seasons.