medieval crusader helmetThis type of early great helm appeared from the first half of the 13th century. It was developed from the nasal helm (calotte) and offered better protection for the entire head. These helmets were usually worn in combination with a chainmail coif. Helmets like this were worn by the European aristocracy and knightly class and are depicted in various manuscripts and seals. They remained in use until the end of the 13th century. This helmet is based on