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

Umberto Campini, the end

I think it its the tomb of Italian Consul in Mozambique, the Master spy who was Malcolm Muggeridge target when he was posted as Mi6 British agent in Lourenço Marques, Umberto Campini, who acted under the cover of Stefani News Agency, with an extensive network including as his aide Alfredo Manna, a musician.

Source of the information here