MINISTÉRIO DEI LAVORI PUBBLICI SERVIZIO ESCAVAZIONE PORTI.

The grey funnel has a black top and a broad white band edged red above and below, bearing a horizontal sequence of red diamonds. Rosanoski assumes that the diamonds continue around the funnel, with the number visible depending on its size and the viewing angle. The flag is a white pennant with two very narrow, well-separated red horizontal bands and three red diamonds in a line between them.