Wittenberge Pdm

Wittenberge is situated at the right (north-eastern) bank of the middle Elbe at its confluence with the Stepenitz and Karthane in the German district of Prignitz. Within the same district, the town borders the Ämter Lenzen-Elbtalaue and Bad Wilsnack/Weisen as well as the district capital Perleberg. TheVerbandsgemeinde Seehausen (Altmark) in the district of Stendal, Saxony-Anhalt, lies on the opposite side of the Elbe.

(wikipedia)

Unused postcard. There is a thorn stamp on the back from the Reich period.
for swap.