Germany: Samson Pit

Today I got a postcard from Germany.

It shows the Samson Pit in Sankt Andreasberg in Lower Saxony. The Samson Pit is a historic silver mine and houses the last working man engine in the World. It was in operation from 1521 to 1910 and has a depth of 810m. Since 2010 is the Samson Pit in the course of the extension of the UNESCO World Heritage Site Mines to Rammelsberg and Historic Town of Goslar on the UNESCO World Heritage List.

On the backside of the card are two seals. One of them is from the Harzer Roller Canary Museum. The Harzer Roller Canary Museum opened in 2001 in one of the buildings of the Samson Pit and shows history, breeding and keeping of Harz Rollers. The Harz Roller is a bird used for additional income of miners and as alarm of carbon monoxide in mines.
Stamp:
Glücksburg Castle (from set of two) (issued 02-01-2013)

Thank You very much Klaus!