I have 2 of these for sale. The artwork is attributed to the artists Hindhead. More than likely, the was used to celebrate the mystery of the Brocken Mountain’s in Germany, intended for Germany’s version of Halloween.
The hardest mountains is now a federal park in northern Germany. So not this old, the card is valuable in that it is fairly rare. The series is about “Walpurgis Night. When all evil things of earth and air.
