A convertible police car? Seems more common than I expected... Germany did it too

#hashtags: #Alte Kisten

Found on https://www.facebook.com/pages/Neat-Old-Stuff-and-Yesteryear/154872514719231?fref=nfFound on http://altekisten.blogspot.de/2015/10/mal-was-anderes.html thanks to a comment from Alte Kisten!