[Emblem of Nuremberg]
GPS-Referenzpunkt der Stadt Nürnberg

[Map of Nuremberg]
Geographisch
B (nördl. Breite)
49°27,259’
L (östl. Länge)
11°04,616’

UTM
E (East)
32U 650520
N (North)
5480035

Höhe
299 m ü. NN.

Koordinaten im Bezugssystem
ETRS89 / WGS84

ACO
R. DANNHÄUSER

This plaque, located in the area of the main market square (Hauptmarkt), marks the GPS reference point of the city of Nuremberg.
At the center of the plaque is a map of Nuremberg, with a circle at its center marking the coordinate point - the location of the plaque.

The name R.DANNHÄUSER probably indicates the advertising/design company

 

More details can be found here Click for the item in The ultimate street signs site

Translation of the text on the cover:

[Emblem of Nuremberg]

GPS Reference Point of the City of Nuremberg

[Map of Nuremberg]

Geographic
B (northern latitude)
49°27,259’
L (eastern longitude)
11°04,616’

UTM
E (East)
32U 650520
N (North)
5480035

Elevation
299 m above sea level

Coordinates in the reference system
ETRS89 / WGS84

ACO
R. DANNHÄUSER