ArtStation - new 3d model for crytek (soldier helmet), Denis Didenko
Antique Chinese Qing Dynasty Foot Soldiers Helmet Hat. I believe this to be the rear of the helmet.
Ravelry: Helmet, Roman Soldier Helmet, Greek Helmet, King Leonidas Helmet pattern by Cathy Ren
Ludovisi Battle Helmet - AH-6211 by Medieval Collectibles
The Art of Clayton Barton | Sci-Fi Soldier Helmets.jpg
"101 Airborne." Dog sitting in a soldier's helmet with cast on leg.
DIY Roman Soldier Helmet