Collection of the Rijksbureau voor Diamant (Diamond Industry Office of the Netherlands), 1940-1954
 
 Establishment of the Rijksbureau voor Diamant by the Germans, as a department of the Rüstungsinspektion Niederlande for the promotion of the industry in the Netherlands in 1940; the Rijksbureau voor Diamant was given the responsibility for the registration of all of the diamonds in the Netherlands ...