No Trespassing / Private Area Warning Sign

The image features a warning sign indicating a private area or restricted access zone (Privatgrund / Durchgang verboten). Such signs are typically manufactured by specialized signage companies or local hardware suppliers. They are common in residential and commercial settings to define property boundaries and legal liability. Because these signs are often generic hardware items, they lack significant global branding or a single multi-national owner, and their manufacturing source is generally local to the region where they are purchased.