I thought it was well know but I'll see what I can find. I'll edit this comment when I find something new.

To begin with here's a comment on masks.

Comment 1

Comment 2

Then There's THIS ARTICLE that mentions he wore two masks - one black and one white.

I thought it was well know but I'll see what I can find. I'll edit this comment when I find something new.

To begin with here's a comment on masks.