Found in Schleswig-Holstein, Germany.
"The development of this identity was probably the
most important motivation for the bourgeoisie to collect
art. It was a way to define themselves as a new
group and to communicate this identity to the outside
world. This self-defining function is in fact probably
the strongest driving force behind every collection."
Rovers, E. 2009. The art collector – between philanthropy and self-glorification. In: Journal of the History of Collections vol. 21 (2). 159.