The “PS” symbol is for the company of Bernhard Pinter. This was a molding company founded in 1907 at Schwelm near Wuppertal. This maker was one of the most common makers of eagles for the Reich and also made attachments for trains, such as signage.
Known works:
PS Train signage
PS also made signage for Deutsche Reichsbahn (DRB) trains. The material is GAL Mg 3(Cu). The following are some examples:
