ArtStation - Warrior, Binsart Binsart
Armadura de Lucio Piccinino que perteneció al emperador Fernando II - Siglo XVI
Gladiator By Eric Durante? I'm not a fighter and have no one to wear armor around me, so this isn't really garb inspiration...but umm... Hot damn.
Shoulder Armor - Metropolitan Museum of Art, New York - amazing detail. I wonder if a very detailed rubber stamp or embossing and some good faux finishing could achieve this effect?
High Elf Helmet by ~Valimaa