Viser nu Holland - Officielle frimærker (1913 - 2016) - 4 frimærker.
1940
Queen Wilhelmina - International Court of Justice - Postage Stamps of 1940 Overprinted "COUR PER-MANENTE - DE JUSTICE - INTER-NATIONALE"
april VM: 1 Design: Jan van Krimpen y Willem van Konijnenburg. Gravering: Joh. Enschedé. Perforeringer: 13½ x 12¾