The community banner

https://wereboar.com/projects/index.php/2024/09/19/the-mcmurdo-silver-sparx-model-905-signal-tracer-photos/

The banner is the magic inside of a McMurdo-Silver "Sparx" 905 signal tracer. All of the tubes are lit.

This was an antique store find, and was a pretty decent deal in my opinion.