Prussian Cultural Heritage Foundation
The Prussian Cultural Heritage Foundation (German: Stiftung Preußischer Kulturbesitz; SPK) is a German federal government body that oversees 27 museums and cultural organizations in and around Berlin, Germany. Its purview includes all of Berlin's State Museums, the Berlin State Library, the Prussian Privy State Archives and a variety of institutes and research centers.
Source: Wikipedia — Prussian Cultural Heritage Foundation (CC BY-SA 4.0)