Dimensions: 10.5 x 14.7 cm. (4.1 x 5.7″)

Publisher/Editor: –

Condition: Postally unused, backside written. Good condition with some signs of age including surface marks.

Notes: The Seilersee in Iserlohn, officially Callerbachtalsperre and sometimes called Kallerbachtalsperre in cartographic works, is one of twelve process water dams located in the Arnsberg administrative region. Iserlohn is a city in the Märkischer Kreis district, in North Rhine-Westphalia, Germany. It is the largest city by population and area within the district and the Sauerland region. (Wikipedia)