Airmail - National Philatelic Exhibition, Madrid - As Previous, in Different Colour and Overprinted CORREO AEREO 1936
Now showing: Spain - Postage stamps - 1936 - Airmail - National Philatelic Exhibition, Madrid - As Previous, in Different Colour and Overprinted CORREO AEREO - 2 stamps.
1936
Airmail - National Philatelic Exhibition, Madrid - As Previous, in Different Colour and Overprinted CORREO AEREO
3. April WM: None Engraving: F.N.M.T. Perforation: Imperforated
![[Airmail - National Philatelic Exhibition, Madrid - As Previous, in Different Colour and Overprinted CORREO AEREO, type GW]](https://www.stampworld.com/media/catalogue/Spain/Postage-stamps/GW-s.jpg)
![[Airmail - National Philatelic Exhibition, Madrid - As Previous, in Different Colour and Overprinted CORREO AEREO, type GW1]](https://www.stampworld.com/media/catalogue/Spain/Postage-stamps/GW1-s.jpg)
