This circa 1900 pith helmet is clearly inspired by the Prussian pickelhaube, as well as the British Foreign Service helmet. These were used prior to World War I.

Used by Argentine from the 1930s until the 1960s these helmets were produced locally in Argentina. The sun helmet pattern was sometimes called the "casco italiano," after the similarly shaped Italian Model 1928 sun helmet.

This example features the insignia features the standard Argentine army insignia.

This Argentine pith helmet features the national cockade, along with insignia of the Argentine Air Force Academy, the Colegio Militar de Aviación. These helmets were used with similiar insignia by the Argentine Air Force.