Did Roman cavalry wear face-masks in battle?

[PhilusEstilius]

There are masks that are cast and of the same style as we now find to be considered as Kalkriese types that are small without ears and these could well have been used in battle by a standard bearer,
However the Kalkriese itself is made of iron but may well have been a cavalry sports type in its earlier life then later altered for the above purpose as a few others look to have been. Then as Crispvs has mentioned brass would be a much better metal to work than cast bronze or copper alloy that is of course from my own experiences.