Menampilkan: Belanda - Prangko (1920 - 1929) - 11 prangko.
WM: 2 Desain: Jan Veth. Ukiran: Joh. Enschedé. Perforasi: 12½ - 13½
![[Queen Wilhelmina - New Values and Colors, Tipe AL31]](https://www.stampworld.com/media/catalogue/Netherlands/Postage-stamps/AL31-s.jpg)
![[Queen Wilhelmina - New Values and Colors, Tipe AL32]](https://www.stampworld.com/media/catalogue/Netherlands/Postage-stamps/AL32-s.jpg)
![[Queen Wilhelmina - New Values and Colors, Tipe AL33]](https://www.stampworld.com/media/catalogue/Netherlands/Postage-stamps/AL33-s.jpg)
7. Juli WM: Tiada Desain: Hendrik Seegers y Jacob Jongert. Ukiran: Joh. Enschedé. Perforasi: 11½
![[Airmail - Head of Mercury, Tipe BR]](https://www.stampworld.com/media/catalogue/Netherlands/Postage-stamps/BR-s.jpg)
![[Airmail - Head of Mercury, Tipe BR1]](https://www.stampworld.com/media/catalogue/Netherlands/Postage-stamps/BR1-s.jpg)
![[Airmail - Head of Mercury, Tipe BR2]](https://www.stampworld.com/media/catalogue/Netherlands/Postage-stamps/BR2-s.jpg)
11. November WM: Tiada Desain: Jan Veth y Jan van Krimpen. Ukiran: Joh. Enschedé. Perforasi: 12½
![[Queen Wilhelmina - No. 186 Surcharged, Tipe BS]](https://www.stampworld.com/media/catalogue/Netherlands/Postage-stamps/BS-s.jpg)
10. Desember WM: 2 Desain: Harm Kamerlingh Onnes. Ukiran: Joh. Enschedé. Perforasi: 12½
![[Child Care, Tipe BT]](https://www.stampworld.com/media/catalogue/Netherlands/Postage-stamps/BT-s.jpg)
![[Child Care, Tipe BT1]](https://www.stampworld.com/media/catalogue/Netherlands/Postage-stamps/BT1-s.jpg)
![[Child Care, Tipe BT2]](https://www.stampworld.com/media/catalogue/Netherlands/Postage-stamps/BT2-s.jpg)
![[Child Care, Tipe BT3]](https://www.stampworld.com/media/catalogue/Netherlands/Postage-stamps/BT3-s.jpg)