Nosal Bascinet was most common in Germany and Italy during the 1340's to the 1370s. Nose plate attached to the bottom chainmail aventail.
Such helmets at the end of XIII - beginning of XIV century were put under Topfhelm before collision of spear.
After the spears were used, heavy Topfhelm threw off and soldiers fought on only with bascinets. On some sculptures and gravestones of the time you can see a big helmet hanging behind him on a chain, while the head remains veiled bascinets. Usually all helmets of this type were fitted attached thereto chain mail aventail
Pros bascinet with nanosnikom
1. It is convenient to breathe
2. It a good overview of the battlefield