Note 391 — THE AUXILIA DURING THE FIRST TWO CENTURIES A.D. (continued 2)
Reading edition
I agree with Mr. Curle that the passage in Arrian (ἴσα πάντη τοῖς προσώποις πεποίηται τῶν ἱππέων) refers to helmets of this kind. See his discussion of the Newstead example, A Roman Frontier-post, Pl. 24, 27, 29, 30.