- New
![1937 ED. 726s ** [x4] (2)](https://filateliahobby.es/44023-large_default/1937-ed-726s-x4-2.jpg "1937 ED. 726s ** [x4] (2)")
![1937 ED. 726s ** [x4] (2)](https://filateliahobby.es/44023-small_default/1937-ed-726s-x4-2.jpg "1937 ED. 726s ** [x4] (2)")
![1931 ED. 630/635 ** [x4]](https://filateliahobby.es/43232-home_default/1931-ed-630635-x4-.jpg)
1931 ED. 630/635 ** [x4]
€25.00
III Panamerican Post-congress in Madrid. Air Mail with "OFICIAL" overprint.
![1932 ED. 667 ** [x4]](https://filateliahobby.es/43650-home_default/1932-ed-667-x4-.jpg)