Armband from 1st and 2nd World War Italian Militarized Worker

Armband from 1st and 2nd World War Militarized Worker, in the center of 
the band was affixed a circular badge with tricolor border with a star
 in the middle in which, in the white part of the tricolor, the names 
of the factories where the workers were employed were written Militarized.

It was at the time called "the star of the ambushers"