Secret War in Portugal [1939-1945]
For SOE [British Special Operation Executive] 24 Land was the code name for Portugal

Oswald Theodor Baron von Hoyningen-Huene

I found a picture of him, and an article [in Portuguese] concerning his role in Portugal in cultural affairs.
German Amabassador in Portugal since 1934 and during the major part of WW2.
Facing him António Ferro, the Director of the Propaganda Services of the Regime. [for more, in Portuguese, here]