13th century basket helmet antiqueThis type of early pot helm developed from the first half of the 13th century. It evolved from the calotte and provided 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 on several seals. They remained in use until the late 13th century and were worn during the Crusades as