![1929 ED. 454 ** [x6]](https://filateliahobby.es/41873-large_default/1929-ed-454-x6-.jpg "1929 ED. 454 ** [x6]")
![1929 ED. 454 ** [x6]](https://filateliahobby.es/41873-small_default/1929-ed-454-x6-.jpg "1929 ED. 454 ** [x6]")
1920 ED. 297/309 **
€900.00
7th U.P.U. congress in Madrid. King Alfonso XIII and central post office building.
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![1854 ED. 25pb us [x04] (2)](https://filateliahobby.es/38010-home_default/1854-ed-25pb-us-x04-2.jpg)
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