Netherlands Indies 1928 Airmail Black Surcharges
From Stamps of the World
- Designed by : H.Seegers and D.Harting
- Printed by : Joh.Enschedé, Haarlem (the Netherlands)
- Print Process : Intaglio
- Watermark: none
- Perforations : 12.50 and 11.50
- Valid for postage until January 31, 1930