I have referenced these before, and don't know if there is any real difference between them and newer models, but Atoka, OK has a few of the very first production 40V2T's.
https://airraidsirens.com/forums/viewto ... ilit=atoka Have driven by these sirens for several years, but never took a picture. I took some this evening on the way back from St. Louis, MO. They were taken on a galaxy S3, so excuse the crudeness.
He died.