Zobrazujú sa: Holandsko - Poštové známky (1920 - 1929) - 9 známky.
31. marec WM: nikto Dizajn: Daniël Knuttel, Heinrich Raeder y Louis-Eugène Mouchon. Rytina: Joh. Enschedé. Perforácia: 12½
![[No. 93 Overprinted, typ T]](https://www.stampworld.com/media/catalogue/Netherlands/Postage-stamps/T-s.jpg)
1. máj WM: nikto Dizajn: Chris Lebeau. Rytina: Joh. Enschedé. Perforácia: 12½
![[Airmail, typ U]](https://www.stampworld.com/media/catalogue/Netherlands/Postage-stamps/U-s.jpg)
![[Airmail, typ U1]](https://www.stampworld.com/media/catalogue/Netherlands/Postage-stamps/U1-s.jpg)
![[Airmail, typ U2]](https://www.stampworld.com/media/catalogue/Netherlands/Postage-stamps/U2-s.jpg)
WM: nikto Dizajn: Daniël Knuttel, Heinrich Raeder y Louis-Eugène Mouchon. Rytina: Joh. Enschedé. Perforácia: 12½
![[New Values, typ J33]](https://www.stampworld.com/media/catalogue/Netherlands/Postage-stamps/J33-s.jpg)
![[New Values, typ J34]](https://www.stampworld.com/media/catalogue/Netherlands/Postage-stamps/J34-s.jpg)
5. august WM: nikto Dizajn: Joh. Enschedé y Joseph Vürtheim. Rytina: Joh. Enschedé. Perforácia: 12½
![[New Daily Stamp, typ V]](https://www.stampworld.com/media/catalogue/Netherlands/Postage-stamps/V-s.jpg)
![[New Daily Stamp, typ V1]](https://www.stampworld.com/media/catalogue/Netherlands/Postage-stamps/V1-s.jpg)
![[New Daily Stamp, typ V2]](https://www.stampworld.com/media/catalogue/Netherlands/Postage-stamps/V2-s.jpg)