One of the Sieben Steinhäuser (Grave C) on the Lüneburger Heide in Niedersachsen, Germany, though for some reason the card is labelled "Souvenir de Spa". Published by Kunstverlagsanstalt Hermann Richter, Zittau and printed by Emil Pinkau, Dresden, Nr 3840. Postally used in 1919. #Dolmens #Hünengräber #SiebenSteinhäuser #LüneburgerHeide #TombTuesday