The "Y" is the horns on the deer mask. I don't know what the gold signifies, unless it's what kings thought was cool back in the day. I "think" the /_\ signifies the female reproduction bits and pieces. Probaby wrong about that, though.

I believe the fellow pictured is Baron Guy de Rothchild. Well, dang, do a little google snooping and you find articles about the entire picture.:

https://therake.com/stories/through-the-looking-glass-the-rothschilds

I wonder if this article was something Q trying to get us to read?