Netherlands 1929 Air mail
From Stamps of the World
- Issue Date : 1929, July 16
- Designed by : Jac Jongert and H.Seegers
- Printed by : Joh.Enschedé, Haarlem
- Print Process : Intaglio
- Perforations : 11,25
- Valid until 31 March 1944
- Note:These three Air Mail stamps were issued on July 16, 1929 to satisfy higher Air Mail postage rates.
After April 29, 1931, these three stamps were also made valid for general postal use. The three designs feature Mercury, the Roman messenger of the gods.