By The Sword, Inc. - Roman Coolus D Helmet AH-6316-N
Stainless steel coolus Roman helmet for SCA “Cassius” for sale | Medieval helmets store ArmStreet.com. Available in: stainless, mirror polishing, satin polishing :: by medieval store ArmStreet
Coolus helmet - Wikipedia
Monkey Depot - Helmet: Kaustic Plastik Coolus Helm Type C