1885 German Empire, Germany, Postcard from Berlin to Dettingen (Württemberg), Rare Hoster Machine Postmark

1885 Postcard from Berlin to Dettingen (Württemberg). 

This is a famous Hoster machine cancellation.Left side: Circular date stamp showing the date "18 / 11 85" and the time "7–7½ N" (7:00 PM to 7:30 PM).
Right side: A obliterator consisting of horizontal lines, used to cancel the pre-printed 5-pfennig stamp.

The Hoster machine was one of the earliest attempts by the German Reichspost to automate mail processing. Invented by Albert Hoster, these machines were only in use for a short trial period between 1885 and 1887, primarily in Berlin and Hamburg.
Because they were used for such a limited time and produced very clear, distinct strikes, postcards with these cancellations are rare and highly collectible today.